GE DCCH480EK Technical Service Manual

GE DCCH480EK Technical Service Manual

24-in. condenser dryer

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GE Appliances
Technical Service Guide
March 2011
24-in. Condenser Dryer
DCCH480EK
DCCH485EK
31-9213
GE Appliances
General Electric Company
Louisville, Kentucky 40225

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Summary of Contents for GE DCCH480EK

  • Page 1 GE Appliances Technical Service Guide March 2011 24-in. Condenser Dryer DCCH480EK DCCH485EK 31-9213 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 © 2011 All rights reserved.
  • Page 3: Table Of Contents

    Table of Contents Airfl ow ....................................20 Auto Reset Thermostat .............................37 Back Cover ..................................34 Base ....................................44 Belt Switch..................................42 Cleaning the Condenser ............................10 Component Locator Views ............................23 Condensate Pump ...............................35 Condensation ................................22 Connecting the Drain Hose .............................12 Control Board .................................29 Control Board Connections .............................27 Control Features ................................
  • Page 4: Introduction

    UV Stabilizers - The control panel has UV stabilizers to prevent yellowing when exposed to sunlight. • The GE 24-in. condenser dryer, models DCCH480EK and DCCH485EK, can be installed on top of GE 24-in. HA washers, models WCVH4800K and WCVH4815K. Use stacking kit GE24STACK.
  • Page 5: Nomenclature

    Nomenclature D C C H 4 8 5 E K W W Color Brand Series WW = White D = General Electric BB = Black Confi guration C = Front Load Model Year Designator Product K = 2010 C = Condenser Dryer Key Feature Fuel E = Electric...
  • Page 6: Control Features

    Control Features WARNING! To reduce the risk of fire, electric shock, or injury to persons, read the IMPORTANT SAFETY INSTRUCTIONS before operating this appliance. Throughout this manual, features and appearance may vary from your model. Quick Start If the screen is dark, press the POWER button to “wake up” If you selected a TIME DRY the display.
  • Page 7: Dry Cycles

    Dry Cycles The dry cycle controls the cycle time for the drying process. The chart below will help you match the dry setting with the loads. Sensor Cycles COTTONS For cottons and most linens. MIXED LOAD For loads consisting of cottons and poly blends. WRINKLE FREE For wrinkle-free/easy care and permanent press items.
  • Page 8 Dry Temp You can change the temperature of your dry cycle. ANTI-BACTERIAL This option may only be used with COTTONS or MIXED LOAD cycles. This option reduces certain types of bacteria. The anti-bacterial process occurs when high heat is used during a portion of this drying cycle.
  • Page 9: Cycle Options

    Cycle Options Extend Tumble Minimizes wrinkles by adding The light in the button will light up when approximately 20 minutes of constant EXTEND TUMBLE is on. no-heat tumbling followed by 70 minutes NOTE: It is normal for the drum to pause of intermittent no-heat tumbling after for short periods of time during EXTEND clothes are dry.
  • Page 10: Cleaning The Condenser

    Emptying the Water Tank Water-Tank Drain hole Cleaning the Condenser Important: The condenser should be cleaned once a month. Fixer Condenser – 10 –...
  • Page 11: Location Of The Dryer

    Location of the Dryer MOBILE OR MANUFACTURED HOME BATHROOM OR BEDROOM INSTALLATION INSTALLATION • The installation must conform to the • The installation must conform with local codes or, MANUFACTURED HOME CONSTRUCTION & SAFETY in the absence of local codes, with the NATIONAL STANDARD, TITLE 24, PART 32–80 or, when such ELECTRICAL CODE, ANSI/NFPA NO.
  • Page 12: Connecting The Drain Hose

    Connecting the Drain Hose Drain hose Hose guid e Cable Ti e – 12 –...
  • Page 13: Reversing The Door Swing

    Reversing the Door Swing Important Notes: Tools Needed • Read the instructions all the way thru before Phillips-head Screwdriver starting. • Handle parts carefully to avoid scratching paint. • Provide a non-scratching work surface for the Hardware Used doors. Mounting Screw •...
  • Page 14 To reverse the door swing: 5. Remove the inner face. 1. Unplug the dryer from its electrical outlet. 6. Lift and rotate the window assembly 180° and place it back into the assembly. Also rotate the inner face 180 degrees and place it into the assembly.
  • Page 15 8. Replace all door screws that were removed. 11. Fasten the hinge back on at the top and bottom with the hinge mounting screws. 9. Remove the female end of the latch from the front panel of the dryer, rotate 180 degrees, and place it into the assembly on the opposite side.
  • Page 16: Stacking Instructions

    Stacking Instructions WARNING! The GE dryer is designed to allow placement (stacking) on top of certain GE front-loading • Make sure the dryer is unplugged. washers. Washer models that currently qualify are: • More than 2 people are recommended to safely •...
  • Page 17 Kit Contents (GE Kit #GE24STACK) Installing the Stack Bracket Kit 1. Carefully lay the dryer on its side. Use the Screws (4) packing material so you don’t scratch the fi nish on the dryer. Rubber pads (4) Bracket- stack (R)
  • Page 18 5. Remove washer top cap screw from the rear 11. Refer to the washer Installation Instructions to left. Align left bracket holes with top cap complete the washer installation. screw hole on rear left of the unit and replace 12. Refer to the dryer Installation Instructions to screw.
  • Page 19: Operation Overview

    Operation Overview Characteristics of a Condenser Dryer A condenser clothes dryer is a machine that looks just like a conventional tumble clothes dryer, but does not require an external vent. For the consumer, operation of both types of dryers is essentially the same - the difference is in the internal design.
  • Page 20: Airfl Ow

    Airfl ow AIR FLOW AND SEALS Proper air fl ow thru the dryer is essential for normal operation of the temperature control and safety systems. There are two separate air fl ows in the dryer: the enclosed process air and the cooling (ambient) air. The ambient air is drawn thru louvers at the front of the unit (1) by the front blower wheel (2) and then fl...
  • Page 21 – 21 –...
  • Page 22: Condensation

    Condensation WATER COLLECTION AND REMOVAL The moisture collected in the condenser area fl ows to the pump area. The condensed water can CONDENSATION TANK either be pumped away to a drain line (e.g., into a standpipe shared with the clothes washer) or stored in a container within the dryer to be emptied later.
  • Page 23: Component Locator Views

    Component Locator Views Front view Condensation Tank Control Panel Door Switch Drum Lamp Location Reversible Door Ambient Air Intake Condenser (Continued Next Page) – 23 –...
  • Page 24 Top view Grey Pump Hose - Drum Pump Area to Condensation Tank Belt Motor Capacitor Condensation Tank Housing (Continued Next Page) – 24 –...
  • Page 25 Front view - cabinet interior Rear Drum Seal Grey Pump Hose - Bearing Assembly Pump Area to Condensation Tank Black Overfl ow Hose - Condensation Tank to Pump Area Motor Float Switch and Pump Belt Switch Front Blower Wheel – 25 –...
  • Page 26 Rear view - duct cover removed Terminal Cover Heater Assembly Duct Fan Guide Rear Grey Pump Hose - Blower Wheel Pump Area to Condensation Tank – 26 –...
  • Page 27: Control Board Connections

    Control Board Connections CN1 - Motor, Belt Switch, Manual Reset Thermostat CN2 - Condensate Pump, Heater 2 CN5 - DC output to Door Switch, Lamp, Moisture Sensor, Water Level (Front Switch), Inlet Thermistor, Outlet Thermistor CN6 - Neutral RY1 - Power Relay RY5 - Heater 1 Relay –...
  • Page 28: Control Panel

    Dryer Components WARNING: Sharp edges may be exposed when 3. Remove the 2 Phillips-head screws that attach the front of the control panel to the cabinet servicing the dryer. Use caution to avoid injury. front. Wear Kevlar gloves or equivalent protection. Top Cover Removal of the top cover provides access to the control panel and front panel.
  • Page 29: Control Board

    Note: In the next step, the button overlay is inserted Control Board into the rear of the buttons on the control panel. The control board is mounted in a housing that is attached to the inside of the control panel. The control board and housing are replaced as an Button Overlay assembly.
  • Page 30: Front Panel

    5. Close the door, and then remove the 4 Phillips- Front Panel head screws from the top corners of the front panel. Removal of the front panel provides access to the drum support and front blower wheel. The front panel is inserted into 3 hooks attached to the bottom of the cabinet and held in place with 8 Phillips-head screws.
  • Page 31: Door Switch

    Door Switch Drum Lamp Assembly The door switch is fastened to the front panel by 2 The lamp assembly consists of 2 LEDs and a glass locking tabs. A grey housing covers the door switch cover contained in a fl exible housing. The housing and needs to be removed before the switch can be is inserted in an opening located inside the top right removed.
  • Page 32: Drum Support Assembly

    3. From inside the dryer, starting at the pointed Note: The thermistor fi ts in a rubber grommet that location, carefully peel up the fl exible housing is attached to the drum support. If unable to reach and pull the assembly thru the opening in the the thermistor for removal, it may be necessary to drum support.
  • Page 33 3. Slide the foam air diverter and front air cover 5. Position the wire harness out of the way. forward to remove from the dryer. 6. Remove the 3 Phillips-head screws under the condenser that secure the drum support to the Front Air Cover cabinet.
  • Page 34: Back Cover

    Touch Sensors Drum Rollers The touch sensor consists of 2 sensors permanently The front of the stainless steel drum rotates on 2 attached to the drum support. rollers attached to the inside of the drum support. The rollers can be replaced by removing the drum support.
  • Page 35: Condensate Pump

    3. Pull to remove grey hose from pump access Condensate Pump cover. The moisture collected in the condenser area fl ows to the pump area. The condensed water can either be pumped away to a drain line (e.g. into a standpipe shared with the clothes washer) or stored in a container within the dryer to be emptied later.
  • Page 36: Float Switch

    6. Remove 1 Phillips-head screw that secures the Float Switch pump assembly to the base located toward the back of the dryer. The white collar on the fl oat switch is magnetic. As it rises, it trips the contacts in the switch to send a 7.
  • Page 37: Auto Reset Thermostat

    2. Disconnect the 2 wire harnesses located inside Heater Assembly the cabinet at the right rear top corner. WARNING: Sharp edges may be exposed when 3. Remove the element assembly wiring from the 2 servicing the heater. Use caution to avoid injury. wire retainers.
  • Page 38: Inlet Thermistor

    Manual Reset Thermostat Inlet Thermistor The manual reset thermostat is attached to the top The inlet thermistor is located above the heater of the heater assembly and located to the right of assembly. The thermistor measures incoming air the auto reset thermostat, as viewed from the back temperature and responds to temperature changes.
  • Page 39: Drum Belt

    4. From the rear of the cabinet, peel back the Drum Belt wiring grommet from the wiring entry opening. The drum belt extends from the motor pulley to 5. Pull the wiring thru the wiring entry opening. around the perimeter of the dryer drum. 6.
  • Page 40 4. Remove the belt from the drum and pull the belt 2. Place a prying device under the motor pulley out thru the front of the dryer. and lift, and then slide the special tool into the hole on the motor support bracket. (The special tool is about the same diameter as an 1/8-in.
  • Page 41: Drum And Bearing

    5. Using Truarc® plyers, remove the retaining ring Drum and Bearing from the drum shaft. The dryer drum is made of 304 stainless steel and has three replaceable drum baffl es attached to the inside. The drum rotates clockwise at approximately 50 rpm.
  • Page 42: Belt Switch

    7. Remove the 4 Phillips-head screws that attach Belt Switch the bearing to the cabinet, and then release the tab located at the top. The belt switch is located on the motor support housing. The switch is activated by the movement of the motor assembly.
  • Page 43: Motor Assembly

    5. Remove ground wire from motor assembly. Motor Assembly 6. Swing lower support forward and pull rear The motor is a 240 VAC motor and utilizes an motor mount from rear housing. 8uF start capacitor and internal automatic reset overload. The start winding resistance value is 20 Ω (white-red).
  • Page 44: Base

    Base The base is made of plastic. The water reservoir for the pump is part of the base. It can be replace if damaged. To remove the base: 1. Remove the motor assembly and condensate pump. (See Motor Assembly Condensate Pump 2.
  • Page 45: Service Test Mode

    Troubleshooting 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 46 The following tables shows the diagnostic tests and the button sequence that is required to perform them. Service Test Mode Sequence Note Displays software version number START/PAUSE Software Version Returns to service mode screen POWER Error Codes START/PAUSE Displays software version number START/PAUSE Clears highlighted error code from machine (During t02 test)
  • Page 47: Error Codes

    Error Codes Error Description Trigger Condition Action Code No Error There are no errors to display. Inlet Thermistor voltage is over 4.8 V • Check Inlet Thermistor connector and Thermistor for more than 5 seconds. wiring. Error Thermistor voltage is under 0.2 V •...
  • Page 48: Schematics And Wiring Diagrams

    Schematics and Wiring Diagrams Electric Condenser Model WARNING: Disconnect electrical power before servicing. Caution: Label all wires prior to disconnection. Wiring errors can cause improper and dangerous operation. Verify operation after servicing. – 48 –...
  • Page 49: 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.

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Dcch485ek

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