Gebruiksaanwijzing /service van het product HHB-8085 van de fabrikant Turbo Chef Technologies
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Acceler ating the W orld of Cooking TM High h Batch Service Manual 800.
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F or further infor mation call: C ustomer Ser vice at . S ales & Mar keting at . Acceler ating the W orld of Cooking TM.
The information contained in this manual is important for the proper installation, use, maintenance, and repair of this o ven. F ollow these procedures and instructions to ensur e satisfactory baking results and years of trouble-free service. Errors – descriptive, typographic, or pictorial – ar e subject to correction.
Safety Instructions Important Safety I nformation – Please Read F irst i General Safety I nformation i Reducing F ire Risk i P reventing Oven Damage ii G rounding Instructions ii P ow er Cord R epla.
P rogramming Recipes 11 Adjusting the Cook Chamber T emperature 12 M odifying Recipes 12 Loading M enu from S mar t Card 14 Saving M enu to Smart Card 14 Checking Recipe Counter 16 Diagnosing an Issue.
Rack Oscillator M otor 40 Thermocouple – Cook Chamber 42 Thermocouple – Electrical Compartment 42 Thermostat – Cooling F an 43 Thermostat – Hi-Limit 44 V oltage Sensor 45 T roubleshooting 46 N.
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i SAFETY INSTRUCTIONS I MPORT ANT SAFETY INFORMATION – PLEASE READ FIRST Improper installation, adjustment, alteration, service, or maintenance of this equipment can cause property damage, injury , or death. Thoroughly r ead the installation, operating, and maintenance instr uctions before installing or servicing this equipment.
ii SAFETY INSTRUCTIONS P REVENTING OVEN DAMA GE o When servicing this appliance, do not tear insulation to get to components. Rather , find the edge of the insulation and remo ve the tape that holds it in place. o Operate the ov en only when food is in the Cook Chamber .
Theor y of Oper ation, Specifications, and Installation.
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1 THEORY OF OPERA TION, SPECIFICATIONS AND INS T ALL A TION T HEORY OF OPERA TION The T urboChef ® High h Batch speed cook o ven uses high heat transfer rates developed by force air impingement to rapidly cook food. The High h batch utilizes top and bottom J etplates that have been optimized for specific food items.
2 THEORY OF OPERA TION, SPECIFICATIONS AND INS T ALL A TION C ONSTRUCTION Exterior o S tainless steel front, top, sides, and back o 4 ′′ (102 mm) matte black legs o Cool-to-touch coated handle o R.
3 THEORY OF OPERA TION, SPECIFICATIONS AND INS T ALL A TION 2. Lift from bottom of ov en. 3. Place o ven on sur face at least 30 ′′ (762 mm) deep and capable of supporting 167 lbs (76 kg). Setup Once ov en is properly positioned on the counter: 1.
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Oper ating the Ov en.
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5 O PERA TING THE OVEN This section contains information on: o Contr ol Display and K ey Identification o P ow ering up o P ow ering do wn o Cooking Instructions o Cooking Options o P rogramming Recipes o U sing the Options Menu CONTROL DISPLA Y AND KEY IDENTIFICATION R efer ence F igure 2.
Menu Descriptions 1. Edit M enu M enu from which operator/technician can modify Cook Chamber temperature, recipes, and recipe settings. 2. Options M enu M enu from which operator can enable/disable various operative functions.
O PERA TING THE OVEN LEFT RIGHT : Selecting a F ood Group P ress the Soft K ey that corresponds to the desired food group. I n this example, pressing the top right Soft Key would access all F ood Items in the “1st Gr oup ” .
O PERA TING THE OVEN USING THE OPTIONS MENU U se the O ptions M enu to: o Enable/disable the Edit M enu o Erase Recipe M enu o E nable/disable the W rite Car d F unction o Enable/disable the T ime Screen o E nable/disable the Done Screen o Enable/disable Demonstration M ode T o access the Options Menu: 1.
O PERA TING THE OVEN Erasing the Recipe Menu (Figure 9) E rasing the Recipe M enu will permanently delete currently-stored r ecipes and recipe settings. T o erase the menu: 1. F rom the Options M enu, press the “ERAS E MENU” Soft Key (middle left) to erase menu.
Enabling/Disabling Time Screen (Figur e 11 ) E nabling the T ime Screen function allows the operator to adjust the T otal Cook T ime before initiating a Cook C ycle. D isabling it prevents the operator from doing so and helps ensure originally- programmed cook times remain unalter ed.
O PERA TING THE OVEN Enabling/Disabling Demonstration Mode (Figure 13) E nabling Demonstration M ode allows the operator to view/show every operational aspect of the oven without the oven actually heating up . By default, the D emonstration M ode is disabled unless otherwise requested by the customer .
O PERA TING THE OVEN Adjusting the Cook Chamber T emperature (Figure 14) 1. Ensure o ven is in either the Off State or Cool- down S tate. 2. V erify Edit M enu is enabled (for instructions see page 8). 3. Simultaneously pr ess and hold the “UP” and “DO WN” K eys for 1 second.
O PERA TING THE OVEN T o modify a food item: 1. Ensure o ven is in either the Off State or Cool- down S tate. 2. V erify Edit M enu is enabled (for instructions, see page 8). 3. S imultaneously pr ess and hold the “UP” and “DO WN” Keys for 1 second.
O PERA TING THE OVEN 7. F rom “F ood Item ” Screen (F igure 18, page 14), the operator can: a. Enter/change food group name. b . Enter/change food item name. c. S et cook time b y using the “UP” and “DO WN” Keys (5-second increments). d. Choose whether to turn rack on or off b y using the “UP” and “DO WN” Keys.
OPERA TING THE OVEN : I nser ting Smart Car d into Reader Smart Card Reader Slot Smart Card - Notice orientation of chip LOADING . . . DONE FROM CARD : Loading from S mart Card : Saving to S mar t Card SAVING .
O PERA TING THE OVEN 2. V erify W rite Car d function is enabled (for instructions, see page 9). 3. Insert S mar t Card into S mart Card Reader Orient card as sho wn in Figur e 19. 4. Pr ess the bottom left S oft Key . 5. P ress middle left Soft Key to SA VE MENU T O CARD (F igure 20).
Diagnosing an Issue.
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17 DIAGNOSING AN ISSUE T o help in troubleshooting, this section contains information on o F ault Codes: Descriptions, Clearing Instructions, and T roubleshooting o Control Display and K ey Identifica.
18 DIAGNOSING AN ISSUE T roubleshooting: F1: BLOWER (Blower Running Status Bad) NO NO YES NO YES NO YES YES NO TO FROM DESCRIPTION EXPECTED RESIST ANCE Black Red Winding (A-B) 2.0-2.6 Ohms B lack White W inding (A-C) 2.0-2.6 Ohms Red White Winding (B-C) 2.
NO NO 19 DIAGNOSING AN ISSUE T roubleshooting: F2: LOW TMP (Cook T emperature Low) YES NO Is wiring fr om the Door S witch to the I/O Control Board OK? (See page 61 for schematic.) Replace D oor S witch. (page 36) If problem persists, replace the I/O Control Board.
F6: E C TEMP (Electrical Compartment (EC) T emperature High) This fault displays if the E lectrical Compartment (EC) temperatur e ex ceeds 158°F (70°C). The Contr ol System checks the EC Thermocouple once per minute. NOTE: This fault will not terminate a Cook Cy cle.
NO 21 DIAGNOSING AN ISSUE T roubleshooting: F6: EC TEMP (Electrical Compartment (EC) T emper ature High) YES NO Does the o ven have room to ventilate? (not tightly enclosed by other appliances or fixt.
NO YES R eplace I/O Contr ol Boar d. (page 39) Correct wiring. NO YES YES 22 DIAGNOSING AN ISSUE T roubleshooting: F8: HEA T LOW YES NO Is the H i-Limit Thermostat tripped? Is the B lower M otor blowing air? YES Reset and determine why it tripped – excess grease buildup , etc.
D IAGNOSING AN ISSUE ST ATUS INDIC ATORS Displayed in T est and Diagnostic Modes, S tatus Indicators help in troubleshooting. The follo wing ov en par ts ar e r epr esented by letters at the bottom of the display (F igur e 26).
D IAGNOSING AN ISSUE T esting the Blower Motor (F ig ure 2 7) 1. F rom Screen 1 of the T est Mode M enu, press the “BLO WER” S oft Key (top left). 2. Continue pressing the “BLO WER” S oft Key (top left) to raise blower speed in 10% incr ements.
D IAGNOSING AN ISSUE NO TE: Adjustments can be made only in F ahrenheit. (5ºF equals approximately 2.8ºC.) NO TE: At 20°F , pressing the “OFFSET” Soft K ey rolls the T emperature Offset back to 0°F . 3. P ress “ENTER” to confirm. 4. When finished, press the “BACK/ST OP” Key to exit the T est Mode M enu.
D IAGNOSING AN ISSUE LEFT RIGHT : Checking Heater B Step: 1/2 Step: 3 Simultaneously press and hold for 1 second to get to the T est Mode M enu (Screen 1). NO TE: Oven must be in the O ff or Cool-down S tate. In this example, H eater B is on.
D IAGNOSING AN ISSUE T esting the R ack Oscillator (Figure 32) NO TE: The Oven Rack will not oscillate if it is not properly set on the support pins. T o test the Rack O scillator: 1. F rom Screen 1 of the T est Mode M enu, press the “RA CK OSC” Soft Key (bottom right).
D IAGNOSING AN ISSUE Viewing the Cumulative Operating Time (Figur e 35 ) The H igh h B atch oven logs the total amount of time the oven has been on. T o view this statistic: 1. F rom Screen 1 of the T est Mode M enu, pr es s the “DO WN” Key to toggle to Screen 2 of the T est Mode M enu.
D IAGNOSING AN ISSUE : V iewing/E ntering the S erial N umber L EFT RIGHT Step: 2 S erial N umber will be displayed. : Changing the F ahrenheit/Celsius Option LEFT RIGHT Step: 2 In this example, the temperature is being measured in F ahrenheit.
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The Contr ol System.
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31 THE CONTROL SYS TEM The Control System signals, senses, commands, and actuates the oven ’ s other components. F or a schematic that includes all Control System compo- nents, see F igure 61, page 61. F or more compre- hensive hardwar e descriptions, see page 69.
2 4 3 1 NUMBER P ART P ART NUMBER 1 B lo w er M otor Contr oller 100443 2 Scr e w–B lo w er M otor Contr oller (x4) 101688 3 B racket – B lo w er M otor Contr oller HHB-8111 4 Scr e w–B lo w er .
33 THE CONTROL SYS TEM Cooling F ans (Figure 40) Located on the back of the oven, the Cooling F ans ventilate air into the Electrical Compartment (via the inlet fan), then back out (via the exhaust fan).
34 THE CONTROL SYS TEM Display (Figure 41) T o replace a defective Display: 1. Ensure “Cool Do wn ” process is completed (“Cool Do wn ” message will disappear upon completion) and unplug the oven. 2. Remo ve both side panels. 3. Remo ve Display P anel.
35 THE CONTROL SYS TEM 8. Attach Display B rackets to the ne w Display . 9. Attach new Display to D isplay P anel. 10. Reinstall D isplay P anel and reattach side panels. Display K eypad (Figure 42) The keypad is connected to I/O Control Board via 14 Pin F lat Cable.
36 THE CONTROL SYS TEM Door Switch (Figure 43) The Door S witch is a sensor that detects the Door Actuator and determines whether the door is open or closed. T o replace a defective Door S witch: 1. Ensure “Cool Do wn ” process is completed (“Cool Do wn ” message will disappear upon completion) and unplug the oven.
37 THE CONTROL SYS TEM NUMBER P ART PART NUMBER 24 Screw – F use Cover 101688 25 F use Cover HHB-8136 26 F use – Class CC, 12 Amp (x2) 100592 27 F use Holder (x2) 100586 24 25 26 27 : R emoving F uses F uses (Figure 44) The Aux F uses protect the Control System and Blo wer M otor .
38 THE CONTROL SYS TEM NUMBER P ART P ART NUMBER 28 Scr e w– I/O Contr ol Boar d (x4) 102910 29 S tandoff – I/O Contr ol Boar d (x4) 101951 30 I/O Contr ol Boar d NGC-1008 31 S olid S tate R elay .
39 THE CONTROL SYS TEM Refer to the Component Plate Assembly (F igure 45) when replacing o I/O Control Board o P ow er S upply o Relay o S mart Card Reader o Solid S tate Relay I/O Control Board (Figure 45) The I/O Control Board contr ols all aspects of ov en operation.
40 THE CONTROL SYS TEM Solid State Relay (SSR) (Figure 45, P age 38) The 240 V AC, D ual 40 Amp Solid S tate Relay actuates the Heater E lement. When the SSR is actuated, the (-) control input will go to 0.00 VDC. When not actuated, the control input will read -24.
41 THE CONTROL SYS TEM NUMBER P ART P ART NUMBER 41 Rack O scillator M otor HHB-8135 42 C rank – Rack O scillator M otor HHB-8045 43 Scr e w– Rack O scillator M otor (x2) 101672 44 W asher – Rac.
42 THE CONTROL SYS TEM Thermocouple – Cook Chamber (Figure 47) T ype K Thermocouple. Thermocouple measures the temperature of the recir culating impingement airflow . If the display indicates 999ºF/C, the Thermocouple is “ open,” resulting in an F7 F ault.
43 THE CONTROL SYS TEM Thermostat – Cooling F an (Figure 48) The Cooling F an Thermostat actuates the cooling fans when the Electrical Compartment T emperature reaches 120° F ( 49°C ).
44 THE CONTROL SYS TEM Thermostat – Hi-Limit (Figure 49) The Hi-Limit Thermostat is a 250V AC, 3-P ole, manual-reset thermostat with a trip point of 572ºF (300°C). The Thermostat, which interrupts power to the Heater E lement, should never operate during normal operation.
45 THE CONTROL SYS TEM V oltage Sensor (Figure 50) P roprietar y device designed to measure incoming line voltage and distribute either 208 or 240 V AC operation. The sensor is only included in ovens operated in N or th and South America. T o replace a defective V oltage Sensor: 1.
46 THE CONTROL SYS TEM T ROUBLESHOOTING T roubleshooting: No Ke ypad Input YES NO Replace Display Keypad. (page 35) I f the pr oblem persists, replace the I/O Control Board. (page 39) Is the keypad cable pr operly connected to the I/O Control Board? Correct wiring.
47 THE CONTROL SYS TEM NO T roubleshooting: No Display – Screen is Blank YES NO Does the Control beep when a key is pressed? I s wiring from the I/O Contr ol Boar d to Display OK? I s J3 Connector receiving 5 VDC? (F igur e 62, page 64) NO YES YES Replace D isplay .
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The Oven Door.
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49 NUMBER P ART P ART NUMBER 62 D oor HHB-8080-2 : Remo ving the Oven Door 62 Rotate Hinge Retainer forward to unlocked position THE OVEN DOOR This section contains informatio.
50 THE OVEN DOOR Door Gasket (Figure 52) T o remove a damaged D oor Gasket: 1. E nsure “Cool Do wn ” process is completed. (“Cool Do wn ” message will disappear upon completion.) 2. Remo ve door (page 49). 3. Remo ve inner plate. 4. Replace damaged gasket with P/N HHB-8101.
51 THE OVEN DOOR NUMBER P ART PART NUMBER 66 Door H inge 102807 67 P ush Nut (x2) 101293 68 Hole P lug (x2) 101191 69 Screw – Door H inge (1 per hinge =2 total) 101402 : Replacing a H inge 69 68 67 66 Door Hinge (Figure 53) S pring-loaded hinge can be remo ved and replaced as an entire unit.
52 T roubleshooting: “Cook Door Open” Message when Door is Closed YES NO Is wiring fr om Door S witch to I/O Control Board OK? T ROUBLESHOOTING 52 THE OVEN DOOR Correct wiring. If wiring is damaged, replace the Door S witch (page 36). Is the D oor Switch properly installed? (Ensure it is not loose or cracked.
The Impingement Cir cuit.
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53 THE IMPINGEMENT CIRCUIT The Impingement Circuit pro vides the high temperature airflow necessary to brown and cook food items. F or a schematic that includes all Impingement Circuit components, see F igure 61, page 61. F or more comprehensive hardwar e descriptions, see page 69.
54 THE IMPINGEMENT CIRCUIT Heater Element (Figure 56) Sheathed-style/Calrod heaters. A ttached to the same cartridge, Heaters A and B can be tested independently of one another . T o replace a defective heater: 1. Ensure “Cool Do wn ” process is completed (“Cool Do wn ” message will disappear upon completion) and unplug the oven.
55 THE IMPINGEMENT CIRCUIT 8. Reinstall I nsulation Shield. 9. Reattach Right S ide P anel. Jetplates (Figure 57) The J etplates help maximize food quality . Different J etplates facilitate different cooking results. T o replace a J etplate: 1. E nsure “Cool Do wn ” process is completed.
Swing Arm Assembly (Figure 58) The S wing Arm Assembly is actuated by the Rack Oscillator M otor . The attached oven rack oscillates when the S wing Arm Assembly is in motion. If the rack is not oscillating properly , 1. E nsure “Cool Do wn ” process is completed.
The Filtering System.
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THE FIL TERING SYSTEM 57 The filtering system helps remo ve debris from the Cook Chamber . H owever , daily maintenance and deep cleaning are still requir ed to ensure oven functions most efficiently . F or more comprehensive hardwar e descriptions, see page 69.
58 THE FIL TERING SYSTEM 3. Remo ve Jetplates (page 55). 4. Remo ve Air Diverter Plate. 5. Remo ve the Catalytic Converter . 6. Clean the Catalytic Converter with T urboChef Oven Cleaner (P/N 103180). CAUTION: DO NO T use a substitute cleaner . 7. Rinse thoroughly with distilled water .
Cleaning the Oven.
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CLEANING THE OVEN D AIL Y MAINTENANCE The procedures belo w will help in maintaining the High h B atch oven. Be sure to use only T urboChef Oven Cleaner . U sing any other cleaning products can damage critical parts and may void warranty on those parts.
C LEANING THE OVEN Step 5: Check Gr ease Filters. o Plate is attached via 4 screws. o Check to see if F ilters (P/N HHB-8114) need to be r eplaced. T o or der Filters, call 800.
High h Batch Schematic.
61 HIGH H BA TCH SCHEMATIC : High h B atch Schematic BL 3 BR 4 GY 1 G Y 2 BR 4 BL 3 BR 6 B R 5 BL 8 BL 7 BR 13 BL 17 B L 9 BR 10 BR 12 BR 11 B R 14 BL 16 BL 15 1 1 2 2 3 3 4 4.
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63 HIGH H BA TCH SCHEMATIC H HB OVEN SCHEMA TIC F igure 61. Inside of fold-out page. Rev 2 Boar d, VFD Display , Single P hase, 280/240 V AC, 60 Hz NO TE: Schematic shows the oven with door open and without power applied.
64 HIGH H BA TCH SCHEMATIC : I/O Control Board and T est P oint Locations RJ11 RJ11 J2 J6 BR1 J4 + U15 R51 D6 P1 P3 J3 SKP1.
Comprehensiv e P ar t Listing.
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65 COMPREHENSIVE P ART LISTING P ART PART NUMBER ILLUSTRA TION Air Diverter Plate HHB-8030 F igure 59, page 57 Blow er Motor HHB-8106 F igure 55, page 53 Blow er Motor Controller 100443 Figur e 39, pa.
P ART P ART NUMBER ILLUSTRA TION Electrical Plate HHB-8134 F igure 50, page 45 F ilter (x2) HHB-8114 F igure 59, page 57 F ilter Clip (x2) HHB-8115 F igure 59, page 57 Fuse – Class CC, 12 AMP (x2) 1.
67 COMPREHENSIVE P ART LISTING P ART P ART NUMBER ILLUSTRA TION P ower Cor d Mounting Bracket NGC-1167 N ot labeled P ower S upply 101206 F igure 45, page 38 P ush Nut (x2) 101293 F igure 53, page 51 .
P ART P ART NUMBER ILLUSTRA TION S crew – Side P anel (8 per panel) 101688 Figure 41, page 34 Screw – S mart Card Reader (x4) 102911 F igure 45, page 38 Screw – Solid S tate Relay (x2) 101688 F .
69 COMPREHENSIVE P ART LISTING P ART NUMBER DESCRIPTION 100903 N ut – #10-32, Hex, Serrated, Flange, SS 100905 N ut – #1/4-20, Hex, Serrated, Flange,SS 101402 Screw – #10-32 X 1/4, PHFH 101421 Screw – #4-40 x 1/2, PHFH, 100 Deg, SS 101520 Screw – #4-40 X .
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Glossar y of T erms.
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71 GLOSSARY OF TERMS Air Dif fuser Plate Accessory plate that covers openings in the jetplate for very delicate cooking. Air Diverter Plate Covers the Catalytic Conv er ter . Blower Motor Located in back of oven, the B lower M otor actuates the impingement process.
72 GLOSSARY OF TERMS Diagnostic Mode F unction that displays diagnostic information during all operative activities. Display Screen through which operator and o ven interact.
73 GLOSSARY OF TERMS F ault Log Located in T est Mode, the F ault Log (or “F ault Code Counter”) lists each fault code and number of times oven has encounter ed each.
74 GLOSSARY OF TERMS Oven Rack See Rack Percentage (%) Air F unction that allows operator/technician to specify the relative amount of impingement airflow (speed of Blo wer M otor) during each Cook Cycle ev ent. V alid percentages are between 10 and 100%.
75 GLOSSARY OF TERMS T emperature Offset F eature that provides accurate temperatur e readings of where food actually cooks as opposed to where thermometer is located. Can be modified in T est M ode M enu. T est Mode Menu M enu from which technician can run diagnostics and check statistics.
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Subject Inde x.
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77 SUBJECT INDEX Air Diverter Plate P art number 57, 65 Remo ving when ser vicing Catalytic Converter 57-58 Blower Motor Cover 53 Description 53 M ounting Plate (part number) 65 P art number 53, 65 R .
78 SUBJECT INDEX Display Bracket (part number) 34, 65 Illustration 34 P art number 34, 65 Replacement instructions 34 T roubleshooting 34 Display K eypad Description 35 Illustration 35 P ar t number 3.
79 SUBJECT INDEX Electrical Specifications Canada 2 Eur ope/Asia/P acific 2 N or th America (except Canada)/ South America 2 U nited Kingdom/Ireland 2 Error Message F8 F ault 20 E vent Description 14 .
80 SUBJECT INDEX Hardware Descriptions 69 Heater Element Description 54 P art number 54, 66 Replacement instructions 54 T esting 25 Heater Insulation Shield Illustration 54 P ar t number 54, 66 Hi-Lim.
81 SUBJECT INDEX Programming Recipes Adjusting the Cook Chamber T emperature 12 Checking Recipe Counter 16 Loading a M enu from a S mar t Card 14 M odifying Recipes 12-14 Saving a M enu to a Smart Car.
SUBJECT INDEX Status Indicators Description 23 Enabling/disabling for all operative activities (via Diagnostic M ode) 27 Illustration 23 Swing Arm Assembly Accessing 56 Bushing (part number) 56, 65 Co.
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F or further infor mation call: C ustomer Ser vice at . Sales and M arketing at . P ar t N umber: HHB-8707/R evision A/J une 2005 Country Code: NA Acceler ating the W or ld of Cooking TM H eadquar ters Six Concourse P arkway S uite Atlanta, Georgia .
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