Gebruiksaanwijzing /service van het product BES-941BC van de fabrikant Brother
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INSTRUCTION MANUAL Please read this manual before using the machine. Please keep this manual within easy reach for quick reference. NINE NEEDLE FOUR HEAD ELECTRONIC EMBROIDERY MACHINE TWELVE NEEDLE FO.
Precautions • Unauthorized commercial or industrial use of trademarks or copyrighted materials (such as paintings, drawings, photos, logos, etc.) owned by other companies or persons is illegal. The use of such materials without the permission of their owners may result in criminal or civil liability.
1 BES-941BC • BES-1241BC Thank you very much for buying a BROTHER sewing machine. Before using your new machine, please read the safety instructions below and the explanations given in the instruction manual.
2 BES-941BC • BES-1241BC The ambient temperature should be within the range of 5 ° C to 35 ° C during use. Temperatures which are lower or higher than this may cause problems with correct operation. The relative humidity should be within the range of 45% to 85% during use, and no dew forma- tion should occur in any devices.
3 BES-941BC • BES-1241BC Be sure to wear protective goggles and gloves when handling the lubricating oil or grease, so that no oil or grease gets into your eyes or onto your skin, otherwise inflammation can result. Furthermore, do not drink the oil or grease un- der any circumstances, as they can cause vom- iting and diarrhoea.
4 BES-941BC • BES-1241BC 3 Warning labels * The following warning labels appear on the sewing machine. Please follow the instructions on the labels at all times when using the machine. If the labels have been removed or are difficult to read, please contact your nearest Brother dealer.
5 BES-941BC • BES-1241BC 2 1 7 1 6 3 4 5 7 3 2 Belt cover Finger guard BES-941BC.
6 BES-941BC • BES-1241BC Before Starting Operation Do not remove the disk out of the drive during the access lamp is lit. Do not force open the shutter for direct contact with the magnetic area. Do not store floppy disks in an extremely high or low ambient temperature.
7 BES-941BC • BES-1241BC Slide the notch in this direction to prevent data loss or overwriting. Slide the notch in this direction to write data. Protecting data in floppy disks Write-protection is available for a floppy disk to prevent undesired data deletion.
8 BES-941BC • BES-1241BC Procedure of Reading This Manual Explanation of models This manual explains two models: - BES-941BC (9 needles) - BES-1241BC (12 needles) Explanation for individual model is provided by identifying the model name. Check the model before using the machine.
9 BES-941BC • BES-1241BC Chapter 9 List of Error Messages Provides information on error codes and action to be taken. Chapter 10 Troubleshooting Provides troubleshooting for the machine. Connection and Installation of Optional Equipment Describes connections between the machine/computer and optional equipment available.
10 BES-941BC • BES-1241BC Screen Composition Initial Screen Starting Sewing Selection of Embroidery data Operation ( page 72) ( page 59) STOP Canceling of Sewing Thread trimming Setting of Needle Ba.
11 BES-941BC • BES-1241BC Setting of thread breakage sensor ( page 94) Setting of Machine ( page 97).
12 BES-941BC • BES-1241BC Contents SAFTY INSTRUCTIONS ............................................................................... 1 Before Starting Operation .......................................................................... 6 Procedure of Reading This Manual .
13 BES-941BC • BES-1241BC Modification of Embroidery Data Name .................................................. 68 Sewing Operation ...................................................................................... 72 Before Starting Sewing ..
14 BES-941BC • BES-1241BC Setting of Environment ........................................................................... 107 Return to Start Point ........................................................................................ 107 Speed Range .
15 BES-941BC • BES-1241BC Chapter 7 Maintenance 1. Cleaning Rotary Hook ...................................................................... 136 2. Oiling ............................................................................................
16 BES-941BC • BES-1241BC.
Chapter 1 Preparation of Embroidery Machine.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 18 Embroidery machine used 9 needle embroidery machine head 12 needle embroidery machine head (four-head type) (four-head type) App.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 19 Thread tension switch Thread guide B Thread guide C Thread guide A Cotton stand F table Head switch Leg Thumb bolt Control box O.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 20 Embroidery hoop • Tubular square hoop 30 x 43 (4) • Holder base 30 x 43 (4) • Tubular round arm set R (4) Other embroidery.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 21 a a Center pillar Lift forks The central seal Embroidery machines should be installed only by trained engineers. Electric wiring should be laid by your distribu- tor or electric experts.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 22 When using a crane Place two rectangular bars on the four L-shaped steels on the bottom of the machine steel frame.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 23 3-2 Installation of Machine 1. Place the attached cushion sheets w and leveling plates e under the four level adjusters q . The leveling plates e should be placed above the cushion sheets respectively.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 24 3-3 Preparation of Needle Bar Case BES-941BC 1. Loosen the bolt q and set screw o , and move the needle case w to the left.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 25 BES-1241BC 1. Remove 3 pieces of fixing screw q , loosen 2 pieces of screw w and remove the color change cover e . 2. Remove the bolts r and detach the fixing bracket for transportation from the bridge and the connecting shaft.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 26 3-4 Mounting of Table Mounting of F table 1. Tentatively mount the F table guides U q and L w on both sides of the legs using two bolts each. 2. Tentatively mount there F table supports F e on the leg front using two bolts each.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 27 4. Mount four drilling bolts i , spring washers !0 , flat washaers !1 each on the rear of F table R t , M y , and L u . 5. Mount four thumb bolts on the steel pipe below the front leg.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 28 1. Dismount the F table R t , M y , and L u once, and lower the F table support F e .
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 29 3. Fix the legs and the table using the F table stays A (2 pcs.) o and B (2 pcs.) !0 while the F table R t , M y , and L u are fixed at the upper position. * Dismounting can be carried out in the reverse procedures.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 30 3-5 Mounting of Cotton Stand BES-941BC 1. Attach four thread guide support bars w to the cotton stand assembly q , while fitting into the four holes. 2. Mount the thread guide assembly e on the thread guide support bars w using the four screws r .
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 31 1. Attach four thread guide support bars w to the cotton stand assembly q , while fitting into the four holes. 2. Mount the thread guide assembly e on the thread guide support bars w using the four screws r .
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 32 CAUTION 3-6 Lubrication to Needle Bar Case Proper lubrication is necessary for keeping the machine head in good condition.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 33 3-7 Grounding Note) • When connecting the power supply, make sure to connect it to the grounding cable (with green and yellow stripes). • When plugging in the outlet, use a plug suited to the outlet.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 34 4. Preparation for Embroidering Turn off the power switch before starting preparation. Failure to do so may start the machine unintentionally through an accidental activation of the START switch, resulting in bodily injuries.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 35 BES-1241BC 4. Pass the thread through the hole of the upper thread guide (U), wind it into the tension disk clockwise once, and place it on the spring. 5. Pass the thread through each hole of the upper thread guide (U) and the thread guide (C).
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 36 3. Pass the thread through the upper hole of the 2nd pretension. Push up the tension disc with your finger, and place the thread under the disc. Then, pass it through the lower hole, and wind it around the thread breakage pulley twice.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 37 w w q q e 4-2 Replacement of Bobbin Note) Remove dust, lint and oil from the bobbin case before replacement. Removing bobbin case 1. Open the rotary hook cover B q . 2. Hold the knob w and take out the bobbin case.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 38 q w 4-3 Replacing and Selecting Needle Removing needle Loosen the set screw q and remove the needle q . Attaching needle With the flat side facing the front, insert the needle all the way until it meets the end of the needle bar.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 39 4-4 Attachment of Embroidery Hoop and Frame Tubular square hoop w q r e y u t 1. Insert the fixing pins of the tubular round arms R q and L w into the notches of the X-axis feed frame e .
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 40 • By changing the tubular round arm mounting width, various sizes can be set.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 41 Holder base (optional) Attaching the holder base frame 1. Set the table. (Refer to "3-4 Mounting of Table" (Page 26) for details.) 2. Mount the frame connecting plate R w on the X-axis feed frame q , using six bolts, washers, and nuts.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 42 6. Check that the clearance between the Y-axis cover u and the mounted holder base frames L e and R t is even when viewed from the right and left sides. [Adjustment] Loosen the right and left bolts of the F table guide U i and move it in the direction of arrow for adjustment.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 43 r q r w 3. When the mounting pitch of the holder base is 550 mm, mount the holder base vertically to the X-axis feed frame q and holder base frame C w using the thumb bolts r .
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 44 Sash frame (optional) Attaching the sash frame 1. Set the table. (Refer to "3-4 Mounting of Table" (Page 26) for details.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 45 4-5 Flat Frame Every Other Head Operation When sewing with the flat frame, the sewing range becomes 460 mm maximum in the X direction by conducting every other head operation only for No.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 46 4-6 Adjustment of Thread Tension 0.7~1.3N (70~130gf) Adjustment of upper thread Adjust upper thread tension to 0.7~1.3N (70~130 gf) when the thread is pulled at the needle bar thread guide.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 47 To loosen To tighten 0.15~0.3N (15~30gf) 2. For adjusting the height, loosen the screw q and turn the tension spring bracket w . 3. For adjusting the tension spring force, insert a driver tip in the groove of the thread tension bar e and turn it.
Chapter 1 Preparation of Embroidery Machine BES-941BC • BES-1241BC 48.
Chapter 2 Embroidering Procedures After installation of machine start embroider- ing. This chapter explains about the opera- tion panel on the machine as well as pre- cautions for the actual embroidering process.
BES-941BC • BES-1241BC 50 Chapter 2 Embroidering Procedures Functions of Operation Panel Operation Panel 0 1 2 4 5 3 6 7 8 9 HOOP FLAT CAP START ESC ESC END END INS DEL DEL A B C D E F J K L G H I M N O T U V . P Q R S SPACE W X Y Z STOP BES-1241BC Starts embroidering.
BES-941BC • BES-1241BC 51 Chapter 2 Embroidering Procedures Edits sewing data. ( "Chapter 4 Editing of Embroidering Data" page 77) Sets the upper thread breakage sensor. ( "Thread Breakage Sensor" page 94) Machine motions can be set.
BES-941BC • BES-1241BC 52 Chapter 2 Embroidering Procedures HOOP FLAT CAP Selects the flat or cap hoop. This selection should be done before turning the power ON to the machine. The setting will not be changed if the selection is done after turning the power OFF.
BES-941BC • BES-1241BC 53 Chapter 2 Embroidering Procedures Switches at Machine Heads BES-941BC BES-1241BC Between head No. 1 and No. 2 Between head No. 3 and No. 4 Between head No. 2 and No. 3 Stop switch Stops embroidering operation. "Release stop SW to operate!" is displayed on the screen as soon as the machine stops.
BES-941BC • BES-1241BC 54 Chapter 2 Embroidering Procedures THREAD SENSOR lamp When red light is on, thread breakage sensor is functioning. When the light is off, the sensor is not effective. When the embroidery machine stops due to thread breakage, the lamp flashes.
BES-941BC • BES-1241BC 55 Chapter 2 Embroidering Procedures Flowchart of Preparation for Embroidering Turn on the machine power. ( page 56). Retrieve the embroidery data ( page 57).
BES-941BC • BES-1241BC 56 Chapter 2 Embroidering Procedures Turn on the Machine Power 1. Turn on the power to the machine. 2. A message is displayed on the LCD as soon as the power is turned ON. 3. The alarm sounds three times. The needle bar and the presser foot move up.
BES-941BC • BES-1241BC 57 Chapter 2 Embroidering Procedures Retrieve the Embroidery Data The description in this section is based on the method of reading data which is registered in the memory unit of the machine. Refer to "Selection of Data" ( Page 61) for details.
BES-941BC • BES-1241BC 58 Chapter 2 Embroidering Procedures.
Chapter 3 Selection of Data and Embroidering This Chapter describes how to select em- broidery data in order to start embroidering..
BES-941BC • BES-1241BC 60 Chapter 3 Selection of Data and Embroidering What Can the Machine Do? Selection of Embroidery Data Registration of data from the floppy disk ( Page 61) Reading of data from the memory ( Page 64) Registration of data created by BE-100 ( Page 65) (These icons are displayed in the lower right of the screen.
BES-941BC • BES-1241BC 61 Chapter 3 Selection of Data and Embroidering Selection of Data Select data in order to start sewing. Data to use for actual embroidering is selected from data registered in the machine memory.
BES-941BC • BES-1241BC 62 Chapter 3 Selection of Data and Embroidering • Other data Data format Icon Barudan FDR Barudan FMC Zanks ZSK (These icons are displayed in the lower right of the screen.) Loading and Loading of Floppy Disk 1. When loading a floppy disk, set it straight with the labeled surface facing this side.
BES-941BC • BES-1241BC 63 Chapter 3 Selection of Data and Embroidering 2. Press . 3. Select a screen for data registration by pressing . When there is no data 4. Select an area for registration, using ten keys or , then press . A space available is automatically selected.
BES-941BC • BES-1241BC 64 Chapter 3 Selection of Data and Embroidering Reading from Memory Data to use for sewing can be selected from the machine memory. A maximum 45 kinds or 480,000 stitches of embroidery data can be registered in the memory. 1. Press .
BES-941BC • BES-1241BC 65 Chapter 3 Selection of Data and Embroidering Registration of Embroidery Data from BE-100 Connect the operation panel and the personal computer with BE-100 installed in order to register the embroidery data into the machine memory.
BES-941BC • BES-1241BC 66 Chapter 3 Selection of Data and Embroidering 6. Press the . 7. The BE-100 embroidery data is displayed. Press the and select a required screen. 8. Select embroidery data to register by pressing ten keys or , and then press the key.
BES-941BC • BES-1241BC 67 Chapter 3 Selection of Data and Embroidering 4. When DEL is pressed, the confirmation message is displayed. 5. When key is pressed, selected embroidery data is deleted from the memory.
BES-941BC • BES-1241BC 68 Chapter 3 Selection of Data and Embroidering Modification of Embroidery Data Name Name of embroidery data registered in the machine memory can be modified. This example shows how to modify the data name "FLOWER" to "TEST003".
BES-941BC • BES-1241BC 69 Chapter 3 Selection of Data and Embroidering When selected data has a pattern name, the name is displayed. Press the key once again. 5. Input a new data name by pressing ten keys. When modifying embroidery data names entirely 6.
BES-941BC • BES-1241BC 70 Chapter 3 Selection of Data and Embroidering 12. Press . When inputting the same character continuously, press the to move the cursor to the right. 13. Press 0 SPACE once. "0" is input. 14. Press 3 D E F once. "3" is input.
BES-941BC • BES-1241BC 71 Chapter 3 Selection of Data and Embroidering 9. Press 6 M N O four times. "O" is input. 10. Press . A data name is modified by the above procedures.
BES-941BC • BES-1241BC 72 Chapter 3 Selection of Data and Embroidering Sewing Operation Before Starting Sewing Select a hoop to set on the machine. The following operation should be done before turning the power ON to the machine. Otherwise, it will damage the hoop.
BES-941BC • BES-1241BC 73 Chapter 3 Selection of Data and Embroidering Feedhold and Cancellation of Sewing Feedhold 1. Press STOP . Sewing is interrupted. Cancellation 1. Press ESC while sewing is interrupted. When repetition of patterns is set, a pattern which is currently being sewn is canceled.
BES-941BC • BES-1241BC 74 Chapter 3 Selection of Data and Embroidering Step Forward and Step-Back Stitches can be advanced (step forward) or retracted (step-back) without sewing. Step Forward/Step-Back Mode 1. Press when selecting either mode before starting sewing and press STOP when selecting a mode during sewing.
BES-941BC • BES-1241BC 75 Chapter 3 Selection of Data and Embroidering 4 . The embroidery head advances (retracts) by a specified number of stitches. For Step Forward (Back) 1. Press . Stitches steps forward (back) by a specified amount. Resuming Sewing 1.
BES-941BC • BES-1241BC 76 Chapter 3 Selection of Data and Embroidering Writing the embroidering data The embroidering data stored in the memory of the machine is written to the floppy disk. The format of the data to be written is brother ESC or TAJIMA TFD.
Chapter 4 Editing of Embroidering Data Pressing on the operation panel after reading embroidering data displays the em- broidering data editing screen.
BES-941BC • BES-1241BC 78 Chapter 4 Editing of Embroidering Data What Can the Machine Do? Editing Enlargement/reduction is executed ahead of rotation.
BES-941BC • BES-1241BC 79 Chapter 4 Editing of Embroidering Data Rotation A pattern can be rotated. A maximum range of rotation is 1 ~ 359 degrees. The rotating direction is counterclockwise. Rotating angle can be set in either of the following. By using Angle can be specified in increments of 90˚.
BES-941BC • BES-1241BC 80 Chapter 4 Editing of Embroidering Data Enlargement and Reduction A pattern can be enlarged or reduced. The enlargement and reduction ratio is 50 ~ 200%. The number of stitches does not change even by enlargement or reduction of a pattern.
BES-941BC • BES-1241BC 81 Chapter 4 Editing of Embroidering Data Enlargement/reduction at different ratios in the X/Y directions 3. Press twice. is reversed in black. 4. Input enlargement/reduction ratio in the X direction by pressing ten keys. 5. Press .
BES-941BC • BES-1241BC 82 Chapter 4 Editing of Embroidering Data Mirror A pattern can be reversed as if it is reflected in the mirror. Up/down mirror pattern Right/left mirror pattern Zero point-symmetric mirror pattern. Right/left mirror pattern The pattern is reversed in the right/left direction on the basis of the embroidering start point.
BES-941BC • BES-1241BC 83 Chapter 4 Editing of Embroidering Data Right/Left Mirror Pattern 3. Keep pressing until is displayed. 4. Press END . The initial screen is displayed again. Up/Down Mirror Pattern 3. Keep pressing until is displayed. 4. Press END .
BES-941BC • BES-1241BC 84 Chapter 4 Editing of Embroidering Data Repetition A pattern is repeatedly copied as many times as specified. The number of repetitions is 1 ~ 99 in both the vertical (row) and horizontal (line) directions. There are the following eight directions of repetitions.
BES-941BC • BES-1241BC 85 Chapter 4 Editing of Embroidering Data 4. Press . 5. Input intervals between repetitions by pressing ten keys. The vertical and horizontal directions are changed over by pressing . Press for setting a distance between the centers of each pattern.
BES-941BC • BES-1241BC 86 Chapter 4 Editing of Embroidering Data Other Editing Setting of other functions related to editing is available. The following types of setting is available. 0 stitch deletion For deleting stitches at the same point without stepping forward or back.
BES-941BC • BES-1241BC 87 Chapter 4 Editing of Embroidering Data Thread Trimming Feed Number 3. Select this function by pressing . 4. Select the number of feeds by pressing . 5. Press END after setting is finished. Swing Width Correction Correction values within -5 ~ 20 can be input.
BES-941BC • BES-1241BC 88 Chapter 4 Editing of Embroidering Data 7. Press END after setting is finished. Press when setting continuously..
Chapter 5 Setting This Chapter describes how to set a sewing speed, correct trouble including thread break- age and others related to machine motions..
BES-941BC • BES-1241BC 90 Chapter 5 Setting What Can the Machine Do? Setting of Needle Bars Needle bars allocated in the sequence of embroidering ( Page 92) Setting of Thread Breakage Sensor Thread .
BES-941BC • BES-1241BC 91 Chapter 5 Setting Data transfer speed ( Page 109) Display language ( Page 110) Alarm sound ( Page 111) Motive speed ( page 112) Release B1 error ( page 113) Setting of Bori.
BES-941BC • BES-1241BC 92 Chapter 5 Setting Setting of Needle Bars Needle bars allocated in the sequence of sewing can be modified. This setting is explained on the basis of the BES-1241BC screen. 1. Press . 2. Select a sewing sequence to modify by pressing .
BES-941BC • BES-1241BC 93 Chapter 5 Setting Insertion of Hoop Retract 1. Press to highlight the position right next to the position to insert the hoop retract and press . 2. Press the END button. The changed setting is stored and the previous screen is displayed.
BES-941BC • BES-1241BC 94 Chapter 5 Setting Thread Breakage Sensor Validity or invalidity and sensitivity of the thread breakage sensor can be set. Setting of sensor validity/invalidity This function is previously set to valid for all heads upon shipment.
BES-941BC • BES-1241BC 95 Chapter 5 Setting 4. Input sensitivity of the thread breakage sensor. 5. Press END . Modified setting is saved and the previous screen is displayed again. Automatic Step-Back The number of stitches to step back automatically in case of a thread breakage can be set.
BES-941BC • BES-1241BC 96 Chapter 5 Setting Setting of Lower Thread Counter/Stitch Counter The lower thread counter reduces the indication each time one pattern is finished. After the reduction is finished, an error message can be displayed. The stitch counter increases the indication stitch by stitch.
BES-941BC • BES-1241BC 97 Chapter 5 Setting Setting of Machine Machine motions can be set. Embroidery Hoop Specify a type of an embroidery hoop set on the machine. A type of a hoop to be selected varies depending on a type of a hoop (flat or cap) selected by a switch on the operation panel.
BES-941BC • BES-1241BC 98 Chapter 5 Setting Speed Range A range of speed for each needle bar can be set. This setting is explained on the basis of the BES-941 screen. The speed range can be set within the range of 1 ~ 6. 1. Press . 2. Select by pressing .
BES-941BC • BES-1241BC 99 Chapter 5 Setting Speed of Each Speed Range Maximum speed of each range can be set. Speed can be input in increments of 10rpm. The upper limit of a speed to be set varies depending on a selected hoop. 1. Press . 2. Select by pressing .
BES-941BC • BES-1241BC 100 Chapter 5 Setting Setting of Mending Details of mending can be set in case of a thread breakage. Contents of each setting item are as described below. Item Contents For setting a mending end point (number of stitches before a thread breakage) within the range of 1 ~ 10.
BES-941BC • BES-1241BC 101 Chapter 5 Setting Setting of thread breakage error resetting method 4. Select by pressing . 5. Press for modifying a resetting method. For setting whether to stop embroidering temporarily at the mending stop point 4. Select by pressing .
BES-941BC • BES-1241BC 102 Chapter 5 Setting Thread Trimming Length Length of thread to leave on the needle bar after thread trimming can be set for each needle bar. This function is previously set to 5 upon shipments. 1. Press . 2. Select by pressing .
BES-941BC • BES-1241BC 103 Chapter 5 Setting 1. Press . 2. Select by pressing . 3. Press . 4. Input thread withdrawal length by pressing ten keys. 5. Press END . Modified setting is saved and the previous screen is displayed again. Inching Whether to select the inching mode for thread trimming can be set.
BES-941BC • BES-1241BC 104 Chapter 5 Setting Sewing Area An allowable area for sewing can be set. A maximum sewing area during operation of every other machine heads is as shown below. 1. Press . 2. Select by pressing . 3. Press . 4. Specify coordinates of the upper left of the sewing area.
BES-941BC • BES-1241BC 105 Chapter 5 Setting Registration of Sewing Start Position Register a position to start sewing. When returning to a registered sewing start position, hold down STOP and press . 1. Press the key. The hoop coordinates are displayed.
BES-941BC • BES-1241BC 106 Chapter 5 Setting Hoop Automatic Retract Set whether to move the hoop automatically to the retract point at the end of sewing. This function is previously set to no hoop automatic retract upon shipments. 1. Press . 2. Select whether to retract the hoop automatically by pressing .
BES-941BC • BES-1241BC 107 Chapter 5 Setting Setting of Environment Return to Start Point Whether to return to the start point after sewing is finished can be set. 1. Press twice. 2. Select by pressing . 3. Press . 4. Select by pressing . 5. Select whether to validate a return to the start point by pressing .
BES-941BC • BES-1241BC 108 Chapter 5 Setting 4. Select by pressing . 5. Modify setting by pressing . Press ESC ESC for invalidating the modification. 6. Press END . Modified setting is saved and the previous screen is displayed again. Checking the Embroidery Area The embroidery area can be checked according to the following procedure.
BES-941BC • BES-1241BC 109 Chapter 5 Setting Power Voltage Voltage of power supplied to the machine can be specified. Available voltage is 200V, 220V, 230V and 240V. Item Contents 200V 220V 230V 240V 1. Press twice. 2. Select by pressing . 3. Press .
BES-941BC • BES-1241BC 110 Chapter 5 Setting 3. Press . 4. Select [RS Speed] by pressing . 5. Select cpmmunication speed by pressing . 6. Press END . Modified setting is saved and the previous screen is displayed again. Display Language A language to display on the screen can be set.
BES-941BC • BES-1241BC 111 Chapter 5 Setting 4. Select [Language] by pressing . 5. Select a language to display by pressing . 6. Press END . The previous screen is displayed again with a display in a selected language. Alarm Sound Whether to generate a sound in case of an error can be set.
BES-941BC • BES-1241BC 112 Chapter 5 Setting Motive Speed The startup speed of the main shaft can be set. The following startup speed can be set. NOMAL Starts up the main shaft at the normal speed. UP Speeds up the startup speed of the main shaft. CAP Speeds up the startup speed of the main shaft when using the cap frame.
BES-941BC • BES-1241BC 113 Chapter 5 Setting Release B1 error The resetting method of the b1 error can be set. The following resetting methods can be set. MANUAL Manually resets entanglement AUTO Automatically resets entanglement RETRY Automatically resets entanglement and restarts the operation 1.
BES-941BC • BES-1241BC 114 Chapter 5 Setting Boring Whether to validate or invalidate the boring mode and to shift data in case of boring can be set. This setting is available only for sewing data which has been created for boring. The machine itself cannot check if the sewing data is for boring or not.
BES-941BC • BES-1241BC 115 Chapter 5 Setting Validation/Invalidation of Data Shift 1. Press twice. 2. Select by pressing . 3. Press . 4. Select by pressing . 5. Validate or invalidate the data shift by pressing . When the data shift is valid When the data shift is invalid 6.
BES-941BC • BES-1241BC 116 Chapter 5 Setting 3. Press . 4. Select with . 5. Press to validate or invalidate the lock stitch. Validating the lock stitch Invalidating the lock stitch 6. Press the END button. The changed settings are stored and the previous screen is displayed.
BES-941BC • BES-1241BC 117 Chapter 5 Setting 5. Press to validate or invalidate the lock stitch. Validating the lock stitch Invalidating the lock stitch 6. Press the END button. The changed settings are stored and the previous screen is displayed. Setting the lock stitch at the sewing start position after thread trimming 1.
BES-941BC • BES-1241BC 118 Chapter 5 Setting Speed Limit in a Short Pitch Speed can be limited when stitching in a designated pitch. The pitch can be designated between 0.0 and 2.0 mm in units of 0.1 mm. The speed can be set from 400 rpm to the maximum speed available for the current frame in units of 10 rpm.
BES-941BC • BES-1241BC 119 Chapter 5 Setting 2. Press the END button. The changed settings are stored and the previous screen is displayed. Feed Timing The timing of needle drop and hoop movement can be adjusted according to the cloth thickness. The value can be designated between 95 and 125 degrees in 1-degree units.
BES-941BC • BES-1241BC 120 Chapter 5 Setting Display of Information Information about the machine and patterns can be displayed on the screen. Pattern Information Detailed information about a selected pattern can be checked. Contents of information to be displayed are as shown below.
BES-941BC • BES-1241BC 121 Chapter 5 Setting Features of Machine Detailed information of the machine can be checked. Contents of information to be displayed are as shown below.
BES-941BC • BES-1241BC 122 Chapter 5 Setting Information about Versions Information about CPU ROM version, etc. can be checked. Contents of information to be displayed are as shown below.
Chapter 6 Operation of Machine.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 124 1. Operating Procedures 1-1 Power Source 1. Turn the power on to the machine. 2. Reset the emergency stop button. 3. Press the power switch. 4. A message is displayed on the LCD. • The alarm sounds three times and the needle bar and the presser foot move upward.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 125 Press the stop switch or STOP to stop the operation of the machine. The stop switch adopts the push-turn-lock method. If you want the machine to remain stopped, turn the stop switch clockwise while pushing it.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 126 3. Measures against Thread Breakage 3-1 Remedies 1. If embroidering is suspended due to thread breakage, the THREAD SENSOR lamp of the machine head with a thread breakage blinks. 2 . Correct the broken thread and pass it through again.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 127 3-2 Mending The machine head whose MENDING lamp is lit performs embroidering by the preset number stitches. When it is completed, all the machine heads start normal embroidering operation. • The MENDING lamps except for the machine head whose needle thread has been broken are turned off.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 128 No.1 Stitch No.2 Stitch No.3 Stitch 1 . Turn off the MENDING lamp No. 3 at the standby position A. (The position A should be the mending end position.) 2. Press the jog switch or to move it backward.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 129 4. Jog Embroidering • Jog embroidering can be used for preventing the thread from slipping from the needle at the start of embroidering. • Jog embroidering can be executed as long as the start switch at the machine head is held down.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 130 • If "area over" is displayed, press the check switch. The hoop automatically moves inside the embroidering area, where the pattern is set, at the nearest position. 0.1mm 0.1mm Embroidering area (Example) Embroidering start position 6.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 131 7. Jog Switches 7-1 Hoop Movement to Start Position The hoop can be moved before starting embroidering and the start position can be set arbitrarily.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 132 7-2 Inching Mode during Embroidering (Forcible Hoop Movement) Note) • Moving the frame greatly in the inching mode may cause an interference with the machine. Pay utmost care in the inching mode.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 133 8. Detection of Zero Point After the zero point is detected, the hoop returns to the initial point 1. Press 0 SPACE while pressing STOP with the machine stopped. Initial screen Temporary stop screen 2.
Chapter 6 Operation of Machine BES-941BC • BES-1241BC 134.
Chapter 7 Maintenance.
Chapter 7 Maintenance BES-941BC • BES-1241BC 136 Turn off the power switch before starting maintenance. Failure to do so may start the machine unintentionally through an accidental activation of the START switch, resulting in bodily injuries.
Chapter 7 Maintenance BES-941BC • BES-1241BC 137 2. Oiling To extend the machine's service life, supply oil to the following places at regular intervals. (Note) • When oiling, be sure to supply Brother's machine oil (Nisseki Sewing Lube #10 or the equivalent) using the dropper.
Chapter 7 Maintenance BES-941BC • BES-1241BC 138 BES-941BC Lubricate the following part indicated by the arrow ("clearance" between the connecting rod and the needle thread take-up bearing) once a week. (Note) • In lubrication, select needle bar 9 and remove arm cover L to check the lubrication area.
Chapter 7 Maintenance BES-941BC • BES-1241BC 139 3. Greasing To extend the machine's service life, supply grease to the following places at regular intervals. (Note) • When greasing, be sure to use the grease tank BR2 (black) provided with the machine.
Chapter 7 Maintenance BES-941BC • BES-1241BC 140 BES-1241BC 1. Remove two connectors from the rear of the needle bar case. 2 . Loosen four screws q , and remove the head cover w , and loosen two screws e and remove the head cover R r . (Note) Because the heads No.
Chapter 7 Maintenance BES-941BC • BES-1241BC 141 BES-941BC 1. Remove two connectors from the rear of the needle bar case. 2 . Loosen four bolts q , and remove the needle case w . 3. Loosen three screws e , and remove the presser foot guide plate r .
Chapter 7 Maintenance BES-941BC • BES-1241BC 142 BES-1241BC 1. Remove two connectors from the rear of the needle bar case. 2 . Loosen four screws q , and remove the head cover w , and loosen two screws e and remove the head cover R r . (Note) Because the heads No.
Chapter 7 Maintenance BES-941BC • BES-1241BC 143 e t r t q w 3-2 Feed Guide Section Check the X-feed linear guides (2 positions) and the Y-feed linear guides (one each on the right and left). (Note) When greasing, be sure to use the grease tank 30 provided with the machine.
Chapter 7 Maintenance BES-941BC • BES-1241BC 144 3-3. Lower shaft module 1. Remove the peripheral parts so that the top of the case cover of the lower shaft can be seen. 2. Remove the tape covering the notch if the lower shaft's case cover is notched.
Chapter 7 Maintenance BES-941BC • BES-1241BC 145 7. Turn on the power of the sewing machine and measure the out-of-step limit of the lower shaft module in the test mode. 8. Replace the lower shaft module if it cannot be repaired even if being checked in the test mode.
Chapter 7 Maintenance BES-941BC • BES-1241BC 146.
Chapter 8 Standard Adjustment.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 148 Turn off the power switch and pull out the plug before starting adjustment. Failure to do so may start the machine unintentionally through an accidental activation of the START switch, re- sulting in bodily injuries.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 149 1. Dismount the pulley cover and turn the pulley B q until the pulley scale indicates 180˚ and the needle bar is set at the lowest position. (The pulley B " " mark and the stop mark " " are aligned.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 150 180 ° q q w Do not hit this section. Tighten the bolt o so that the clearance can be even. u e r y t i o e 10.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 151 1. Turn the pulley B q until the scale of pulley B q indicates 180˚ (where the pulley B indication mark " " and the stop mark " " are aligned) and the needle bar is set at the lowest position.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 152 q Lower shaft 2. Replacing (Attaching) Rotary Hook 1. Turn the power switch off. 2 . Tighten the screw q of the rotary hook cutting section to fit to that of the lower shaft w . 3 . When mounting, press it inward until it stops.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 153 1 2 3 4 5 6 7 8 9 w e 2mm 2mm r 0.3~0.5mm 3. Adjustment of Clearance Between Needle and Rotary Hook 1. Turn the power switch off. 2. Select the needle bar No. 1 q . The illustration at the left shows the case of BES- 941BC.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 154 1. Turn the power switch on. 2. Check that the machine pulley B q is at the stop position (at 100˚ of the scale).
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 155 6. After timing adjustment the is finished for each head, set the pulley B q to the stop position (at 100˚ of the scale) and press ESC ESC . The machine enters the standby state. The adjustment of the rotary hook is completed and the timing is stored.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 156 q w r t w e q 1mm 6. Adjustment of Thread Trimmer 6-1 Attaching the Fixed Knife Attach the fixed knife q to the pin w and move it backward to the end of the slot, then mount it there. 6-2 Checking the Movable Knife Position 1.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 157 • The thread trimmer connecting rod B q has a backlash of about 0.1 ~ 0.2 mm back and forth. Tighten the two bolts e while pulling them forward by the backlash amount. • Tighten the two bolts e so that the thread trimmer connecting rods B q and C w are positioned in a straight line.
Chapter 8 Standard Adjustment BES-941BC • BES-1241BC 158 q w e w 7. Adjusting the Belt Tension The belt Tension is adjusted to the optimum tension at the time of shipment from the factory. However, as the belt is used,it becomes run in and may loosen around the machine pulley and motor pulley .
Chapter 9 List of Error Messages.
BES-941BC • BES-1241BC 160 Chapter 9 List of Error Messages Code E-00 E-01 E-02 E-03 E-04 E-05 E-06 E-07 E-08 E-09 E-0A E-0B E-0C E-0D E-0E E-14 E-15 E-16 E-17 E-18 E-1A E-1B E-1C E-1D E-1E E-1F Err.
BES-941BC • BES-1241BC 161 Chapter 9 List of Error Messages Code E-21 E-22 E-23 E-24 E-25 E-26 E-27 E-28 E-29 E-2A E-2B E-2C E-2D E-2E E-2F E-31 E-32 E-33 E-34 E-36 E-38 E-39 E-3C E-40 E-A1 E-A2 E-A.
BES-941BC • BES-1241BC 162 Chapter 9 List of Error Messages Code E-A8 E-B0 E-B1 E-B2 E-B3 E-B4 E-B5 E-B6 E-B7 E-B8 E-B9 E-BA E-BC E-BD E-BE E-BF E-C1 E-C2 E-C3 E-C4 E-C5 E-C6 E-C7 E-C8 E-C9 E-CA E-C.
BES-941BC • BES-1241BC 163 Chapter 9 List of Error Messages Code E-D0 E-D1 E-D2 E-D3 E-E1 E-E2 E-E3 E-E4 E-E5 E-E6 E-E7 E-E8 E-E9 E-EA E-EB E-EC E-ED E-EF E-F1 E-F2 E-F3 E-F4 E-F5 E-F6 E-F7 E-F8 E-F.
BES-941BC • BES-1241BC 164 Chapter 9 List of Error Messages.
Chapter 10 Troubleshooting If there is any indication of trouble with the machine, check and correct as described in the table. If the trouble cannot be corrected, turn off the power and contact your distribu- tor for corrective actions.
BES-941BC • BES-1241BC 166 Chapter 10 Troubleshooting Machine operation abnormal • Is any set screw of the rotary encoder loosened? • Is any set screw of the machine pulley loosened? • Is any .
BES-941BC • BES-1241BC 167 Chapter 10 Troubleshooting • Is the thread take-up stopped due to interference with the upper case cover? [Adjustment] Loosen the hexagon socket head cap screw of the thread take- up operating lever and adjust the take-up movable range.
BES-941BC • BES-1241BC 168 Chapter 10 Troubleshooting An overtravel error occurs. • Is the frame within the cap frame area? Move the frame within the cap frame area and turn on the power. • Check to see if the signal of the X area sensor turns ON and OFF in PORT test mode.
BES-941BC • BES-1241BC 169 Chapter 10 Troubleshooting Symptom Measures The needle stop position error oc- curs. • Is the main shaft brake solenoid operating? If not, refer to the block diagram sho.
BES-941BC • BES-1241BC 170 Chapter 10 Troubleshooting Symptom Measures The thread breakage error frequently occurs although thread is not broken. • Enter the CASE test mode and turn the thread bre.
BES-941BC • BES-1241BC 171 Chapter 10 Troubleshooting Symptom Measures • Is thread tangled in the rotary hook? Clean the rotary hook. • Is the lower shaft with which the error occurs rotating? If so, check to see if connection from the lower shaft sensor PCB to the BC PCB is proper.
BES-941BC • BES-1241BC 172 Chapter 10 Troubleshooting Symptom Measures Thread trimming motor zero point error occurs. • Is lint clogged between the travelling blades? Remove it.
BES-941BC • BES-1241BC 173 Chapter 10 Troubleshooting Symptom Measures ERROR C7 occurs. • Is the lower shaft being tested in the test mode? If so, refer to the operation method of the test mode and exit the test mode or turn the power off once and on again.
BES-941BC • BES-1241BC 174 Chapter 10 Troubleshooting Symptom Measures Power voltage upper or lower limit error occurs. • Is the voltage set on the panel? If not, set it according to the power supply voltage of the area where the machine is used.
BES-941BC • BES-1241BC 175 Chapter 10 Troubleshooting Only a certain head does not oper- ate. • Is the head out of action with either the head switch or the machine controller? • Refer to the bl.
BES-941BC • BES-1241BC 176 Chapter 10 Troubleshooting Symptom Measures The lower shaft PCB is faulty. 1. Turn off the power of the machine. 2. Disconnect P4 and P10 of the lower shaft PCB. If the lower shaft PCB is removed from the machine or P8 or P9 is disconnected, the lower shaft connected to other lower shaft PCB will not operate, either.
Connection and Installation of Optional Equipment.
BES-941BC • BES-1241BC 178 Connection and Installation of Optional Equipment q e o i y t u r w Attaching Bobbin Winder 1. Mount two pieces of bobbin stand L w on the thread winder stay q with nut 4 !0 . 2. Mount the thread winder assembly (set) e on the thread winder stay q with the tightening screw !1 .
BES-941BC • BES-1241BC 179 Connection and Installation of Optional Equipment Winding lower thread t u y r i e o w q 1. Turn the power switch on. 2. Set the bobbin q in the bobbin winder shaft w . 3. Put the thread through the thread guide e . 4 . Wind the thread around the bobbin q several times in the direction of the arrow.
INSTRUCTION MANUAL BROTHER INDUSTRIES,LTD. NAGOYA,JAPAN Printed in Japan 155-941, C41 S93941-002 1999.09. H (1).
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