GE Profile DPSB650 Technical Service Manual
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GE Profile DPSB650 Technical Service Manual

GE Profile DPSB650 Technical Service Manual

Profile stainless steel gas and electric dryers
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See also: Owner's Manual
C
TECHNICAL SERVICE GUIDE
Profile Stainless Steel
Gas and Electric Dryers
MODEL SERIES:
DPSB650
DPSB620
PUB # 31-9096
10/02
GE Consumer Home Services Training

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Summary of Contents for GE Profile DPSB650

  • Page 1 GE Consumer Home Services Training TECHNICAL SERVICE GUIDE Profile Stainless Steel Gas and Electric Dryers MODEL SERIES: DPSB650 DPSB620 PUB # 31-9096 10/02...
  • 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 Home Services Training Technical Service Guide Copyright © 2002 All rights reserved.

  • Page 3: Table Of Contents

    Table of Contents Airflow ..........................22 Belt Switch ........................19 Belt, Drive ........................19 Component Locator Views ....................14 Control Drying Cycles ..................... 10 Control Dryness Levels ....................10 Control Easy Touch Selections ..................8 Control Features ....................... 4 Control Heat Settings ...................... 11 Control Panel........................

  • Page 4: Nomenclature

    Nomenclature D P S B 6 5 0 E C 0 W W Backsplash GE Dryer Color Body Color Feature Pack Common Brand Features Model Year Exceptions: Designator H = Energy Star P = Profile™ K, N = Special Engineering S = Spacemaker®...

  • Page 5: Warranty

    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 warranty, GE will also provide, free of charge, all labor and related service costs original purchase to replace the defective part.

  • Page 6: Control Features

    Control Features Note: Throughout this manual, features and appearance may vary from your model. Model DPSB650 Model DPSB620 – 4 –...
  • Page 7 Control Features START ■ After you have selected a new cycle, press once to start the cycle. ■ Press twice to select the last cycle used and start the dryer. ■ If the dryer is running, press once to interrupt the cycle; press again to continue the cycle.

  • Page 8: Control Quick Start Cycles

    Control Quick Start Cycles (Model DPSB650) Clean the lint filter. IMPORTANT: Clean the lint filter each time you use the dryer. Add clothes. Do not overload. This wastes energy and causes wrinkling. Select one of the three drying methods: ■...
  • Page 9 Control Quick Start Cycles (Model DPSB620) Clean the lint filter. IMPORTANT: Clean the lint filter each time you use the dryer. Add clothes. Do not overload. This wastes energy and causes wrinkling. Select the dry cycle and other options. For TIMED DRY, use the SET TIME arrow pads to set the drying time.

  • Page 10: Control Easy Touch Selections

    Control Easy Touch Selections (Model DPSB650) SENSOR CYCLES The Sensor Cycles continuously monitor the amount of moisture in the load and stop the dryer when the clothes are dry. COTTONS For cottons and most linens. PERM PRESS For wrinkle-free, permanent press and delicate items, and knits.
  • Page 11 Control Easy Touch Selections (Model DPSB620) COTTONS For cottons and most linens. MIXED LOADS For loads consisting of cottons and poly-blends. PERM PRESS For wrinkle-free, permanent press and delicate items, and knits. KNITS For knits with fabric care labels that say “Machine Dry.” WOOLENS DELICATES For lingerie and special-care fabrics.

  • Page 12: Control Drying Cycles

    Control Drying Cycles SPEED DRY For small loads that are needed in a hurry, such as sport or school uniforms. Can also be used if the previous cycle left some items damp, such as collars or waistbands. DEWRINKLE Use this feature to remove wrinkles from items that are dry or slightly damp. This cycle is not recommended for delicate fabrics.

  • Page 13: Control Heat Settings

    Control Heat Settings HIGH For regular to heavy cottons. MEDIUM For synthetics, blends and items labeled permanent press. For delicates, synthetics and items labeled Tumble Dry Low. EXTRA LOW For lingerie and special-care fabrics. Cycle Options SIGNAL Alerts you that the cycle is complete. The beeper will continue to sound every two minutes for the next 6 minutes, until the clothes are removed.

  • Page 14: Cycle Options

    DELAY START (on some models) Use to delay the start of your dryer. 1. Choose your dry cycle and any options. 2. Press DELAY START. You can change the delay time in 30 minute increments using the SET TIME arrow pads. 3.

  • Page 15: Cycle Chart

    Cycle Chart Air Dry None None Medium Medium De-Wrinkle Dryel Medium Medium Warm-Up Medium Rack Dry Medium Generic (10 minutes Medium to 120 min) F ° F ° F ° s t i l l a F ° l l a F °...

  • Page 16: Component Locator Views

    Component Locator View Control Panel Control Panel Inlet Thermistor Inlet Thermistor Inlet Safety Inlet Safety Thermostat Thermostat Hi-Limit Hi-Limit Thermostat Thermostat Bearing Retainer Bearing Retainer Heater Assembly Heater Assembly Idler Pulley Idler Pulley Motor Motor Outlet Control Outlet Control Thermostat Thermostat Outlet Thermistor Outlet Thermistor...
  • Page 17 Control Panel Control Panel Inlet Safety Inlet Safety Thermostat Thermostat Inlet Thermistor Inlet Thermistor Bearing Retainer Bearing Retainer Idler Pulley Idler Pulley Combustion Combustion Chamber Chamber Motor Motor Outlet Control Outlet Control Thermostat Thermostat Outlet Thermistor Outlet Thermistor (in blower housing) (in blower housing) Blower Blower...

  • Page 18: Control Panel

    Dryer Components Control Panel To place the control panel in the service position: 1. Remove 4 screws from the rear of the control panel. Screws Screws 2. Gently pull on each corner to unsnap the control panel from the sides of the unit. 3.

  • Page 19: Door Switch

    Door Switch The door switch is fastened to the front panel by 2 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. When the dryer door is open, the switch will open the motor circuit, interrupting dryer operation.

  • Page 20: Drum Shaft Bearing

    To remove the drum: 1. Remove the top panel and the front panel. (See Top Panel and Front Panel.) 2. Remove the drive belt from the motor. (See Belt.) 3. Remove 1 screw from each side of the cabinet and gently spread the sides apart to provide clearance for the tub.

  • Page 21: Belt Switch

    Drive Belt Warning: Sharp edges may be exposed. Use caution to avoid injury when removing or installing the drive belt. The drive belt (P/N WE12M22) extends from the motor pulley, past the idle pulley, and around the perimeter of the dryer drum. (See belt diagram.) Idler Pulley Idler Pulley To remove the drive belt:...

  • Page 22: Motor And Blower Wheel

    Motor and Blower Wheel The drive-motor is a single-speed, dual-shaft, ¼-hp, 1725-rpm motor with an automatic reset overload protector. The overload protector is an internal component of the motor and cannot be replaced separately. The motor contains a centrifugal switch that serves three purposes: It disengages the motor start winding (M6), engages the motor run winding (M5), and closes the circuit contacts (M1 to M2) for the heat source.
  • Page 23 6. Lift the rear of the motor bracket up and over the tab protruding from the dryer bottom. 7. Slide the motor bracket back until the bracket tabs clear the slots in the base of the cabinet. Remove the blower and motor. Bracket Bracket 8.

  • Page 24: Airflow

    Airflow GAS DRYER Gas Dryer LINT FILTER DRUM FELT INLET TRAP DUCT SEAL COMBUSTION CHAMBER EXHAUST AIR ELECTRIC DRYER Electric Dryer DRUM FELT INLET TRAP DUCT EXHAUST AIR SEAL – 22 –...

  • Page 25: Gas Valve

    Heater Assembly (electric models) The heater assembly is located behind the drum and consists of 2 open coils fastened to a single Heater Heater housing. Holes in the back of the drum allow air to Assembly Assembly be drawn over the heating coils and into the drum. Each heater coil is individually controlled by a separate relay on the board and should have a resistance reading of approximately 20 ohms.

  • Page 26: Glo-Bar Igniter Circuit Operation

    Glo-Bar Igniter Circuit Operation The glo-bar igniter circuit is made up of the following components: a gas valve with safety and main valves, a glo-bar igniter, and a flame detector. The safety valve is actuated by a double coil, that comprises a safety coil (resistance approximately 1400 ohms) and a booster coil (resistance approximately 580 ohms).

  • Page 27: Thermistor, Inlet

    Inlet Thermistor The inlet thermistor is located on the top left side of the heater housing on electric models and on the top right side of the housing on gas models. The inlet thermistor measures the inlet air temperature and will respond to temperature °...

  • Page 28: Thermistor, Outlet

    Outlet Thermistor The outlet thermistor is attached to the blower Outlet Thermistor Outlet Thermistor housing. The outlet thermistor reads the temperature of the air being exhausted from the dryer and will respond to temperature changes of 3 °F. The outlet thermistor provides temperature change information to the electronic control board.

  • Page 29: Sensor Rods

    Hi-Limit Thermostat (Electric Models) An L315-65F hi-limit thermostat is located on the left side of the heater assembly (electric models only). The hi-limit thermostat is wired in series with the L1 side of the motor relay. The thermostat will open if an excessive temperature of 315 °F is attained, disabling all dryer functions.

  • Page 30: Electronic Control Board

    To test the sensor rod circuit: Place the dryer in service mode and index to the rod voltage test. The rod voltage, in hundredths of a volt, shall be displayed on the DSSD. Open the door and touch the rods with your hands and view the DSSD.

  • Page 31: Temperature Setpoint Charts

    i r t F ° F ° F ° F ° t e l F ° F ° F ° F ° F ° F ° F ° F ° t e l F ° F ° F ° F ° t e l t e l F °...

  • Page 32: Service Mode

    Service Mode Service Mode Service Mode enables individual machine functions to be selected and performed apart from the unit’s normal operation. Field Service Mode also allows error codes to be displayed. To enter Service Mode: 1. Turn the unit off at the POWER pad. 2.
  • Page 33 To index to the next function within Service Mode, press the CUSTOM 2 pad. To index back to the previous function, press the CUSTOM 1 pad. The chart below lists the order and various functions of service mode. t l u i g i a l f t n I...
  • Page 34 Display Error Codes Test Upon entering the Display Error Codes Test, the most recent error code recorded in the fault log will be displayed on the DSSD. If no errors are recorded in the fault log, E00 will be displayed. Pressing START will clear any displayed error codes from the fault log and cause the next most recent error code recorded to be displayed.
  • Page 35 Door Switch Test Upon entering the Door Switch Test, OPn will be displayed on the DSSD if the door switch is in the open position. If the door switch is in the closed position, CLS will be displayed. Rod Voltage Test Upon entering the Rod Voltage Test, the voltage of the moisture-sensing rods will be displayed in hundredths of a volt on the SDDS.

  • Page 36: Error Codes

    Error Codes Refer to steps below to check error codes. Refer to the Error Codes table for a listing and description of all error codes. To check error codes: 1. Enter field service mode. 2. Index to the Error Codes function using the CUSTOM CYCLE 2 pad. •...

  • Page 37: Troubleshooting Guide

    Troubleshooting Guide OPERATION Possible Causes What To Do Control pads not Controls accidentally put in • Press STOP. responding service mode Dryer doesn’t start • This is normal. Press START twice to choose the last cycle Control panel is “asleep” you used and to start the dryer.
  • Page 38 OPERATION Possible Causes What To Do The DRY dryness level • When combining heavy and light fabrics in a load, Load consists of a mixture was chosen but load is choose MORE DRY. of heavy and light fabrics still damp Exhaust system is blocked •...
  • Page 39 No fabric softener was used • Bounce ® Fabric Conditioner Dryer Sheets have been approved for use in all GE Dryers when used in accordance with the manufacturer’s instructions. • Try a fabric softener. Overdrying • Adjust setting to LESS DRY or DAMP.

  • Page 40: Troubleshooting Flowcharts

    Troubleshooting Flowcharts No Heat - Drum Turns Gas Dryer Ignitor Glowing? Bad connection Heat selected & m otor running. Fix Supply G as Supply O K to or defective Check for 120VAC at pin 16 problem dryer? board. on the gas valve to neutral. Ignitor between 50 &...

  • Page 41: Gas Dryer

    No Heat or Partial Heat - Drum Turns Electric Dryer Partial Heat No Heat With heat selected & motor House supply problem 240VAC to dryer? running, check for 240VAC Repair connection at heater relaypin 16 & L2 or replace board (J2 plug).

  • Page 42: Electric Dryer

    Dryer Will Not Run Electric Dryer House fuse, breaker, or Adequate voltage outlet problem to dryer? Verify Hi-limit t’stat circuit at L1 (J2 plug) & N (J2 plug) - Display Lights up? 120VAC? (If no - repair Check resistance at J2 (motor plug) on connection/wiring) control board at 2A (Gray) &...
  • Page 43 Notes – 41 –...

  • Page 44: Schematic

    Schematics – 42 –...
  • Page 45 – 43 –...

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Profile dpsb620

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