GE Profile DPGT650GH Technical Service Manual
High-efficiency dryer
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Summary of Contents for GE Profile DPGT650GH
- Page 1 GE Consumer & Industrial Table Of Contents Technical Service Guide September 2008 GE Profile High-Efficiency Power Start Dryer DPGT650GH DPGT650EH 31-9172 GE Appliances General Electric Company Louisville, Kentucky 40225...
- Page 2 If grounding wires, screws, straps, clips, nuts, or washers used to complete a path to ground are removed for service, they must be returned to their original position and properly fastened. GE Consumer & Industrial Technical Service Guide Copyright © 2008 All rights reserved.
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Page 3: Table Of Contents
Table of Contents Airfl ow ....................................12 Backsplash ...................................17 Belt Switch....................................24 Blower Housing ..................................25 Clean Filter ................................... 9 Component Locator Views ............................13 Component Logic Flow Chart .............................34 Control Features ................................6 Control System ..................................17 Cycle Options ..................................8 Display Assembly ................................17 Door Switch ..................................23 Drive Belt ....................................21 Drive Motor ..................................24... -
Page 4: Nomenclature
Nomenclature Model Number D P G T 6 5 0 G H W W Control Color Brand WW - White Features D = General Electric RR - Red GG - Gold Feature Packages P = Pedestal Capacity/Conf guration G = Giant Model Year 2008 Backsplash Control/Platform... -
Page 5: Introduction
Introduction The GE Profi le High-Effi ciency Dryer is part of the GE Profi le Clothes Care System, utilizing the latest developments in dryer technology. The Profi le Dryer System utilizes strategically placed sensors. This enables the dryer to respond quickly to temperature changes and ensures proper air fl... -
Page 6: Control Features
Control Features Throughout this manual, features and appearance may vary from your model. Power Press to “wake up” the display. If the display is active, press to put the dryer in the idle mode. NOTE: Pressing POWER does not disconnect the appliance from the power supply. Cycles The cycle controls the length and tumble speed of the drying process. - Page 7 Time Dry Use to set your own dry time. TIME DRY is also recommended for small loads. To use TIME DRY: 1. Press the TIME DRY button until the amount of time you want is selected. 2. Select the temperature by pressing the TEMP button. 3.
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Page 8: Cycle Options
Cycle Options Note: Not all features are available on all dryer models. Wrinkle Care Tumbles the drum without heat for 10 seconds every 5 minutes for up to 3 hours. The dryer will display a “racetrack” on the display during the Wrinkle Care phase. Wrinkle care shuts off automatically when the door is opened. -
Page 9: Clean Filter
Dryer Features Changing the Drum Lamp Screw Before replacing the drum lamp, be sure to unplug the dryer power cord or disconnect the dryer at the household distribution panel by removing the fuse or switching off the circuit breaker. The drum lamp is located at the top left of the door frame. -
Page 10: Reversing The Door Swing
Reversing the Door Swing To reverse the door swing: Open the door and remove the fi ller plugs opposite the hinges. 5. Remove the screws holding the handle and two spacers. 2. With the door completely open, remove the bottom screw from each hinge on the dryer face. - Page 11 7. Install the handle on the opposite side of the 9. Insert the door on the opposite side of the door. opening by moving the door in and down until the top hinge and the bottom hinge are resting on the top screws inserted in Step 3. Rear of Door 8.
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Page 12: Airfl Ow
Airf ow Gas and Electric Models LINT FILTER INLET AREA EXHAUST AIR – 12 –... -
Page 13: Component Locator Views
Component Locator Views Gas Model Inlet Thermistor Drum Roller Combustion Chamber Hi-Limit Thermostat Idler Pulley Drive Motor Outlet Thermistor (behind frame) Outlet Thermostat (behind frame) Gas Valve Blower Wheel Flame Sensor Detector Ignitor Inlet Safety Thermostat Manual Reset (Continued Next Page) –... - Page 14 Electric Model Inlet Thermistor Drum Roller Hi-Limit Thermostat Inlet Safety Thermostat Heater Housing Idler Pulley Drive Motor Outlet Thermistor (behind frame) Outlet Thermostat (behind frame) Blower Wheel – 14 –...
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Page 15: Main Control Board And Display Assembly Pin Connectors
Main Control Board and Display Assembly Pin Connectors Main Control Board (Gas Model) Main Board CN14 Outlet Thermistor Moisture Sensor Glow Bar Inlet Thermistor Gas Valve Coils Power Switch Connection From Display Assm Main Board CN11 Neutral Flame Detector Door Switch Motor Main Control Board (Electric Model) Main Board CN14... - Page 16 Display Assembly (Electric and Gas Models) Power Switch Main Control Board Display – 16 –...
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Page 17: Backsplash
Dryer Components WARNING: Sharp edges may be exposed when Control System servicing the dryer. Use caution to avoid injury. Wear Kevlar gloves or equivalent protection. The dryer control system consists of two main components: Backsplash • Display assembly Removal of the backsplash provides access to the •... -
Page 18: Main Control Board
Testing the Main Control Board Main Control Board The main control board is enclosed in a protective box attached to the top panel. CN14 It is necessary to remove the backsplash to access the main control board's protective box. CN11 To access and remove the main control board: Remove the backsplash. -
Page 19: Signal (Beeper)
Signal (Beeper) Top Cover The beeper is mounted on the main control board, The top cover is held in place by 2 Phillips-head but it is controlled by the display assembly. screws, located beneath the backsplash, and two front tabs. •... -
Page 20: Front Panel
5. Slide the wiring harness guard up and out. Front Panel WARNING: Sharp edges may be exposed when servicing the dryer. Use caution to avoid injury and wear Kevlar gloves and sleeves or equivalent protection. To remove the front panel: Wiring Harness Guard Remove the top cover. -
Page 21: Drive Belt
Top Plate Drive Belt The top plate is held in place by 2 Phillips-head The drive belt extends from the motor pulley, past screws (1 on each side) and 2 plastic rails (1 on each the idler pulley, and around the perimeter of the side). -
Page 22: Drum
4. Grasp the top outside edges of the front drum Drum support and unsnap the 4 corners from the sides of the dryer. WARNING: Sharp edges may be exposed when servicing the dryer. Use caution to avoid injury 5. Remove the drive belt. (See Drive Belt and wear Kevlar gloves and sleeves or equivalent protection. -
Page 23: Door Switch
Drum Rollers Door Switch The 304 stainless steel drum rotates on 4 drum The door switch is fastened to the front panel by rollers (2 on the front drum support and 2 on the two locking tabs and is common to most dryer rear drum support). -
Page 24: Belt Switch
Belt Switch Drive Motor The belt switch is fastened to the motor bracket by The drive motor is a single-speed AC, 1/3-hp motor 2 Phillips-head screws. with an automatic reset overload protector. • The belt switch is activated by the idler pulley. •... -
Page 25: Blower Housing
3. With a fl at-bladed screwdriver, compress the open end of the spring strap (one strap on each end of the drive motor) until it releases. Remove the spring straps. Blower Guard Spring Strap Note: In the following step, to prevent the blower wheel from turning while removing the center nut, apply a 7/8-in. -
Page 26: Heater Assembly (Electric Models)
5. Remove the 3 Phillips-head screws from the Heater Assembly (Electric Models) center of the blower housing. The electric dryer's heating elements are fi xed at 3000 watts and cycles on and off. • The open end in the back of the housing allows air to be drawn over the heating coils and into the drum. -
Page 27: Inlet Thermistor
3. Remove the 2 Phillips-head screws that hold the Inlet Thermistor heater assembly in place. The inlet thermistor is located on the inside of the inlet air duct on both the electric and gas models. (See Component Locator Views • The inlet thermistor measures the incoming air temperature and responds to temperature changes. -
Page 28: Inlet Safety Thermostat
• The inlet safety thermostat monitors incoming Inlet Safety Thermostat air temperature. The inlet safety thermostat is located on the left side • If the thermostat reaches a temperature beyond of the heater housing on electric models and on the its maximum temperature rating, it will trip and lower, left side of the combustion chamber on gas disable all dryer functions except the drum... -
Page 29: Outlet Thermistor
Outlet Thermistor Outlet Thermostat The outlet thermistor is located on the back side of The outlet thermostat is located on the back side of the blower housing. the blower housing. • The outlet thermistor measures outgoing air • The outlet thermostat monitors outgoing air temperature and responds to temperature temperature. -
Page 30: Gas Valve (Gas Models)
To remove the hi-limit thermostat: Hi-Limit Thermostat Remove the front panel and the drum. (See Front The hi-limit thermostat is located on the rear left Panel Drum side of the heater housing on the electric model, and on the right, upper side of the combustion chamber Disconnect the lead wires from the hi-limit on the gas model. - Page 31 • The resistance value of these coils is 3. Remove the 2 Phillips-head screws that hold the approximately 1900 Ω. gas valve to the elbow coupling. • The display assembly operates the gas valves 4. Remove the 2 Phillips-head screws that hold the by supplying voltage.
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Page 32: Ignitor
Ignitor Ignitor and Flame Detector The ignitor is located at the end of the gas valve • When the main control board calls for heat, 120 assembly in the combustion chamber opening. VAC is supplied to the ignitor. Resistance across the ignitor is approximately 180 •... - Page 33 Sensor Rods 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 sensor rods, thus producing a false dryness reading. To test the moisture sensor circuit: Place the dryer in service test mode: a.
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Page 34: Component Logic Flow Chart
Component Logic Flow Chart Touch Control (Inputs) Main Control Outlet Inlet Thermistor Thermistor (Processing) Drum Heaters or Belt Motor Light Gas Valve Switch (Outputs) – 34 –... -
Page 35: Service Test Mode
Service Test Mode The dryer control has a service test mode that can be utilized by the service technician in order to test critical components and to access error codes. This test mode will help the service technician to quickly identify failed or improperly operating dryer components. - Page 36 Test Mode Displays • The display will initially show “t1”. • Once the START button is pressed, the display will toggle between “t1” and H3”. All LEDs turn on. This cycle will continue until the START button is pressed again. All LEDs turn off. •...
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Page 37: Error Codes
Error Codes Error Description Code Thermistor Outlet Error Door Switch Error EEPROM Error Note: It’s important to note error codes should only be used to help identify those components that require testing. Never replace a part based solely on an error code. The control can generate a false error if the right conditions exist. -
Page 38: Schematics And Wiring Diagrams
Main Control Board Outlet... - Page 39 Main Control Board Outlet...
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Page 40: Warranty
This warranty is extended to the original purchaser and any succeeding owner for products purchased for home use within the USA. If the product is located in an area where service by a GE Authorized Servicer is not available, you may be responsible for a trip charge or you may be required to bring the product to an Authorized GE Service location for service.