Gebruiksaanwijzing /service van het product DPGT750EC/GC van de fabrikant GE
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MODEL SERIES: DPGT750EC/GC TECHNICAL SER VICE GUIDE GE Consumer Products Profile Gas and Electric Dryers H E L P B A C K S T A R T S T O P H O M E M Y C Y C L E P O W E R PUB # 31-9104 07/03.
– 2 – IMPORT ANT SAFETY NOTICE The information in this service guide is intended for use by individuals possessing adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to rep air a major appliance may result in personal injury and property damage.
– 3 – T able of Content s Airflow Diagram (Gas and Electric Models) .................................................................................... 1 5 Backsplash ...............................................................................
– 4 – GE Dryer Feature Pack Common Brand Features Exceptions: H = Energy S t ar P = Profile™ K, N = S pecial S = S p acemaker® D P G T 7 5 0 E C 0 W W Capacity/Configuration L = Large S = Super.
– 5 – W arranty For The Period Of: W e W ill Replace: One Y ear Any part of the dryer which fails due to a defect in materials or workmanship. During this From the date of the full one-year war ranty , GE will also provide, fr ee of charge, all labor and related ser vice costs to original purchase replace the defective part.
– 6 – Overview General The GE Profile Harmony Dryer is part of the GE Profile Harmony Clothes Care System utilizing the latest developments in dryer technology . Most conventional drying systems have a single motor that powers both the blower and the drum.
– 7 – P O W E R M Y C Y C L E S B A C K H E L P S T ART S TOP H O M E Features of the dr yer control panel 1 POWER. Press to “wake up” the display . If the display is active, press to put the dryer into standby mode. Y ou may also press the T ouch Screen or any button to “wake up” the display .
– 8 – Quick Start Getting Star ted If the T ouch Screen is dark, press POWER or the T ouch Screen to access the dr y cycles menu. Clean the lint filter . IMPORT ANT : Clean the lint filter each time you use the dryer . Add clothes. Do not overload.
– 9 – Dry Cycles Dr ying by Fabric T ype If the T ouch Screen is dark, press POWER or the T ouch Screen to access the dr y cycles menu. The default cycle settings are based on standard load types. Always follow the fabric manufactur er’s care label when laundering.
– 10 – Summary Screen SUMMAR Y SCREEN 0:36 TIME OPTIONS TEMP DR YNESS CYCLE COTTONS MORE DRY About the Summar y Screen After selecting a dr y cycle, the Summar y Screen displays the automatic settings for the cycle you have chosen. Y ou can adjust these by touching the screen location for any of the settings shown.
– 11 – Summary Screen OPTIONS END OF CYCLE SIGNAL MIN 20 EXTENDED TUMBLE DELA Y ST ART OK About the Dr ying Options T ouch the OPTIONS pad on the T ouch Screen to select drying options. After selecting any dr ying options, press OK to save your setting.
– 12 – Modifying, Renaming or Deleting a “My Cycle” T o modify the settings of a “My Cycle” from the Home Screen: 1 Press the MY CYCLES button. 2 Select MODIFY from the T ouch Screen menu. 3 Select the cycle name from the T ouch Screen menu.
– 13 – TROUBLE SHOOTER MACHINE PREFERENCES HOME SCREEN HELP About the Help Feature Pressing the HELP button from the Home Screen allows you to locate troubleshooting tips for common dr yer problems, to find help with using the Home Screen or to set machine preferences.
– 14 – Consumer Help Screens The machine settings on the Help feature allow you to control the volume of the button beep and end-of-cycle signal, and turn the washer/dryer communication feature on or off. Press the HELP button, then select from the on-screen options.
– 15 – Operation Overview LINT FIL TER EXHAUST AIR INLET AIR AREA Airflow Diagram (Gas and Electric Models) E X T RA LOW 1 0. 5 A M P S 115F - 12 5F 2500 W 1500 0 B T U LOW 16 A M P S 130F - 140F .
– 16 – Electric Model Drive Motor Idler Pulley Blower Motor Outlet Thermistor & Thermostat Heater Housing Inlet Hi-Limit Thermostat Inlet Safety Thermostat Inlet Thermistor TRIAC Board Compone.
– 17 – Gas Model Inlet Thermistor Combustion Chamber Inlet Hi-Limit Thermostat Outlet Thermistor & Thermostat Gas V alve Blower Motor Drive Motor Idler Pulley Ignitor Inlet Safety Thermostat F.
– 18 – Inverter and Main Board Pin Connectors Inverter Board (Electric Model) 4 1 1 3 Ground Main Board CN1 1 5 2 1 -Moisture Sensor 2 -Inlet Thermistor Triac 7 7 3 -Inlet/Outlet Thermistor 4 -Gro.
– 19 – Main Board WARNING: THE CONNECTOR A T THE LCD BACKLIGHT IS OVER 800 VDC. USE APPROPRIA TE TYPE VOL TMETER OR DAMAGE COULD RESUL T . Note: The gas dryer main board differs from the electric dryer main board by the addition of a jumper plug on the model selector connector (the electric model has no jumper plug).
– 20 – Disconnect Ribbon Dryer Component s 2. Place a towel over the lid of the dryer to prevent scratches to the surface. Gently lift each corner of the backsplash; then roll it forward so it rests on top of the dryer . 3. Disconnect the wiring to the control board.
– 21 – Inverter The inverter board is enclosed in a protective box mounted on the top panel under the backsplash. T o access and remove the inverter board: 1. Remove the Backsplash . 2. Remove the 2 Phillips head screws that hold the inverter box in place.
– 22 – T esting the Inverter Fuse Signal ( Beeper ) The beeper is mounted on the inverter , but controlled by the main control board. • The beeper uses the same 12 VDC supply as the LCD backlight. • T o check the 12 VDC circuit, measure between pin 3 (white wire) on white connector CN1 1 and pin 8 (pink wire) on the blue connector CN14.
– 23 – T op Cover The top cover is held in place by 2 Phillips head screws, located on the back of the washer , and two front tabs. T o remove the top cover: 1. Remove the Backsplash . 2. Remove the 2 screws that hold the Inverter box in place. 3.
– 24 – 4. Remove the 4 screws that hold the front drum support to the sides of the dryer . Drum WARNING: Sharp edges may be exposed. Wear Kevlar gloves or equivalent protection. The dryer drum is made of 304 stainless steel and has three replaceable drum baffles attached to the inside.
– 25 – Door Switch The door switch is fastened to the front panel by two locking tabs and is common to all dryer functions. • When the dryer door is closed, the switch will complete the motor circuit, allowing dryer operation. • Immediately upon detection of a door opening, the drum motor and blower motor shut off and all heat is disabled.
– 26 – T o install the drive belt: 1. Place the belt in position around the front of the drum. 2. Reach under the left side of the drum and place the belt in position around the motor pulley . Push the idler pulley to the left and place the belt onto the idler pulley .
– 27 – Blower Motor The blower motor is a DC, variable speed motor capable of operating at different speeds in response to changing air temperature and venting impedances. Below 1000 rpm, the dryer control turns the heater off. Resistance of the motor windings can be measured at the 10-pin connector on the inverter board or at the motor .
– 28 – 6. Remove the 13 mm center nut. (T urn clockwise to remove.) Remove the blower wheel. 1 1. Remove the spring straps. Remove the drive motor from the motor bracket. Note: The motor bracket is notched, be sure to align the motor correctly in the bracket when installing.
– 29 – Heater Assembly ( Electric Models ) The electric dryer has two heating elements. One is fixed at 3000 watts and cycles on and off. The other is variable, controlled by a T riac that varies the wattage from 0 to 3000 watts. • The total wattage of the dryer will vary from 3000 to 6000 watts.
– 30 – • The inlet thermistor measures the incoming air temperature and responds to temperature changes. • The inlet thermistor provides temperature change information to the electronic control board. • The electronic control board makes heating and blower decisions based on this information.
– 31 – Outlet Thermistor The outlet thermistor is located on the blower housing on both the gas and electric models. Outlet Thermostat The outlet thermostat is located on the blower housing on both the gas and electric models (see photos.) • The outlet thermostat monitors outgoing air temperature.
– 32 – Gas V alve The gas valve assembly is located in the bottom, right, front corner of the dryer cabinet. T o remove the hi-limit thermostat: 1. Remove the T op Cover , the Front Panel , and the Drum . 2. Disconnect the lead wires to the hi-limit thermostat.
– 33 – 6. Slide the gas valve assembly out through the front of the dryer cavity . 7. Remove the 3 Phillips head screws that secure the gas valve to the mounting assembly . Remove the gas valve. Ignitor The ignitor is located at the end of the gas valve assembly in the combustion chamber opening.
– 34 – Note : Proper leveling of the dryer is vital for accurate sensor drying. Excessive rearward adjustment will cause clothes to tumble toward the rear of the drum, preventing contact with the senor rods, thus producing a false dryness reading.
– 35 – Field Service Mode TROUBLE SHOOTER MACHINE PREFERENCES HOME SCREEN HELP BY F ABRIC BY GARMENT TOUCH T O SELECT Sensor DR Y CYCLE SPECIAL CYCLES TIMED DRY Overview The dryer control has a fi.
– 36 – Factory T est Mode The factory test mode allows the service technician to view critical tests on dryer components. The tests are automatic and start as soon as the test screen is displayed. • If an error is detected, NG appears on the LCD screen.
– 37 – 2. Press the HELP pad. The main help screen is displayed. 3. Press and hold the HELP and ST ART/ST OP pads simultaneously for 3 seconds. One of the following screens will be displayed.
– 38 – Control Quick Reference Chart User Interface Mode Help Mode Help Options Screen Help Button (from Home Screen) Back Button Home Screen Help Button Help Button (other than Home Screen) Home,.
– 39 – T roubleshooting V ertical lines on the LCD display when the dryer is turned on. Re-seat LCD ribbon cable at connector CN6 on the main board. If necessary , a piece of scotch tape may be added to the back of the ribbon. This additional thickness will provide better contact for the ribbon terminals.
– 40 – PROBLEM POTENTIAL CAUSE DIAGNOSTIC PROCEDURE ACTION Long Dry Time Dryer Heating Restricted ducting Check blower speed in Factory Test Mode with no clothes load. If blower speed is higher an 2700 rpm - ducting is abnormally restricted and will cause longer dry times Check for kinked transition duct.
– 41 – PROBLEM POTENTIAL CAUSE DIAGNOSTIC PROCEDURE ACTION Heater error (Gas) Check service mode for heater error. If heater error is displayed, proceed with diagnostic procedures in the order below. Low line voltage Line voltage must be greater than 96V.
– 42 – PROBLEM POTENTIAL CAUSE DIAGNOSTIC PROCEDURE ACTION Dryer stopped prematurely (clothes wet) Clogged/restricted ducting. Check Service Mode for blower errors. Unit will stop if blower exceeds 3000 rpm for 1 minute. Check for kinked transition duct or clogged ducting.
– 43 – PROBLEM ERROR DISPLAYED FOR CUSTOMER ERROR DISPLAYED IN SERVICE MODE POSSIBLE CAUSE(S) POSSIBLE REPAIR REQUIRED Flash ROM EEPROM No error displayed. Dryer will continue to operate normally unless checksum errors are found on parameters critical to safe operation of the unit.
– 44 – PROBLEM ERROR DISPLAYED FOR CUSTOMER ERROR DISPLAYED IN SERVICE MODE POSSIBLE CAUSE(S) POSSIBLE REPAIR REQUIRED Keypanel Membrane No error displayed. Unit will continue to operate normally. Screen will display "There is a problem with the membrane.
– 45 – PROBLEM ERROR DISPLAYED FOR CUSTOMER ERROR DISPLAYED IN SERVICE MODE POSSIBLE CAUSE(S) POSSIBLE REPAIR REQUIRED Blower not speeding up No error displayed. Dryer will operate using Air Dry for all cycles. Screen will display "The blower is not getting up to speed.
– 46 – Electric Model WARNING: Disconnect electrical power before servicing. Caution : Label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation.
– 47 – Gas Model WARNING: Disconnect electrical power before servicing. Caution : Label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation.
– 48 – P ARTS Electric Model.
– 49 – Electric Model.
– 50 – Electric Model.
– 51 – Electric Model VIE W NUM BE R CA TA LOG NU M B E R DE S CR I P TI ON QU AN TI TY 1 49- 90152 MA NUA L U S E & CA RE 1 1 31- 15541 MIN I M A NU A L 1 10 W H46X 10098 CONT RO L P A NE L A.
– 52 – VIE W NUM BER CAT AL OG NUM BE R DES CRI P T I O N Q UAN T I T Y 276 W E 21X 10015 D RU M A S M 1 277 W E 09X 10015 SE A L 1 278 W E 14X 10056 LI FT E R 3 280 W E 12X 10011 BE LT 1 310 W E .
– 53 – Gas Model.
– 54 – Gas Model.
– 55 – Gas Model.
– 56 – Gas Model VIE W NUM BER CATA L O G NUM BER DES C RI P T I ON QUANT I T Y 1 49- 90152 MA NUA L USE & C A RE 1 1 31- 15541 MIN I M A NU A L 1 10 W H46X 10098 CON T ROL P A N E L A S M W H.
– 57 – VIE W NUM BER CATA L O G NUM BER DES C RI P T I O N QUANT I T Y 311 W E 01X 10191 COV E R 1 312 W E 04X 10112 S OCK E T 1 313 W E 01X 10192 COV E R - LA M P 1 3 1 4 W E0 1X 1 01 93 G ASKET .
– 58 – Overview When viewed from the front, the dryer is shipped so the door opens from the left . Due to utility configurations or customer preferences, the door can be set up to open from the right by reversing the door swing. T o reverse the door swing: 1.
– 59 – 10 . Remove the hinges from the door and install them on the opposite side with the hinge pin toward the outside of the door . 1 1. Insert the door on the opposite side of the opening by moving the door IN and DOWN until the top hinge and the bottom hinge are resting on the top screws.
– 60 – Overview When viewed from the front, the washer is shipped for installation on the left and the dryer is shipped for installation on the right.
– 61 – 6. Remove the four screws holding the washer control board to the backsplash; then remove the control board and set it aside. 10 . Remove the four screws holding the dryer control board to the backsplash. 1 1. Remove the dryer control board and set it aside.
– 62 – 12 . Place the backsplash from the dryer on top of the washer and place the backsplash from the washer on top of the dryer . 13 . Attach the dryer control board to the new backsplash by replacing the four screws removed from the dryer control board earlier .
– 63 – 18 . Attach the washer control board to the new backsplash by replacing the four screws removed from the washer control board earlier . 23 .
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