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GE DCCH480EK, Technical Service Manual

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GE DCCH480EK Technical Service Manual Download Page 46

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Service Test Mode

Sequence

Note

t01

Software Version

START/PAUSE

Displays software version number

POWER

Returns to service mode screen

t02

Error Codes

START/PAUSE 

Displays software version number

START/PAUSE

Clears highlighted error code from 
machine (During t02 test)

POWER

Returns to service mode screen

t03

User Interface 
Test

START/PAUSE

Lights up LEDs

Any button but 
POWER

Beeps as button is pressed (During t03 
test)                   

POWER

Returns to service mode screen

t04

Door Switch Test

START/PAUSE

Display shows "d0" or "00"

"d0" = door is open
"00" = door is closed

POWER

Returns to service mode screen

t05

Dryer Motor Test 

START/PAUSE

Rotates dryer motor

"on" = motor rotate
"d0" = door is open

POWER

Returns to service mode screen

t06

Thermistor 1 and 
1600 W Heater 
Test 

START/PAUSE

Displays temperature and rotates 
dryer motor

Heater turns on for 
a maximum of 5 
minutes.

POWER

Returns to service mode screen

t07

Thermistor 2 and 
600 W Heater 
Test 

START/PAUSE

Displays temperature and rotates 
dryer motor

Heater turns on for 
a maximum of 5 
minutes.

POWER

Returns to service mode screen

t08

Moisture Sensor 
Test

START/PAUSE

Displays status of the touch sensors

Touch the sensor 
with hand: 
"1" = be detected
"0" = not detected

POWER

Returns to service mode screen

t09

Water Sensor and 
Pump Test

START/PAUSE

Displays water level and turns on the 
pump

Turns off drain 
pump when water 
level sensor detects 
empty.
Maximum pump 
work time is 1 
minute.
“1” = detected
“0” = not detected

POWER

Returns to service mode screen

The following tables shows the diagnostic tests and the button sequence that is required to perform them.

Summary of Contents for DCCH480EK

Page 1: ... Dryer DCCH480EK DCCH485EK Technical Service Guide March 2011 GE Appliances WRINKLE FREE MIXED LOAD COTTONS TEMP AIR FLUFF ACTIVE WEAR DELICATES SPEED DRY SENSOR DRY TIME DRY WARM UP DEWRINKLE TIMED DRY SENSOR DELAY START EXTEND TUMBLE ADJUST TIME DRY NO HEAT PAUSE POWER START TIME SIGNAL ...

Page 2: ... avoid personal injury disconnect power before servicing this product If electrical power is required for diagnosis or test purposes disconnect the power immediately after performing the necessary checks RECONNECT ALL GROUNDING DEVICES 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 an...

Page 3: ...9 Drum Lamp Assembly 31 Drum Rollers 34 Drum Support Assembly 32 Dryer Components 28 Emptying the Water Tank 10 Error Codes 47 Float Switch 36 Front Panel 30 Heater Assembly 37 Inlet Thermistor 38 Introduction 4 Location of the Dryer 11 Manual Reset Thermostat 38 Motor Assembly 43 Nomenclature 5 Operation Overview 19 Outlet Thermistor 32 Rear Blower Wheel 39 Rear Drum Seal Assembly 42 Reversing th...

Page 4: ... thermostats The dryer utilizes a thermistor to monitor air temperature leaving the drum The sensor works together with the variable heater and the blower to provide consistent even heat Moisture Sensor The moisture sensor allows the control to monitor the fabric for moisture content and end the cycle at the desired moisture level Flush Door Handle Reversible Door UV Stabilizers The control panel ...

Page 5: ...olor WW White BB Black Model Year Designator K 2010 Fuel E Electric Series Nomenclature Serial Number The first two characters of the serial number identify the month and year of manufacture Example FV123456S March 2011 F MAR G APR H MAY L JUN M JUL R AUG S SEP T OCT V NOV Z DEC A JAN B FEB 2011 V 2010 T 2009 S 2008 R 2007 M 2006 L 2005 H 2004 G 2003 F 2002 D 2001 A 2000 Z The letter designating t...

Page 6: ...y Press the POWER button Select a cycle by turning the Cycle Knob If you selected a SENSOR DRY cycle just press the START PAUSE button If you selected a TIME DRY cycle select your heat setting and the amount of time you want your items to dry by pressing the TIME button until the desired time appears in the display Then press the START PAUSE button 3 2 1 Power Press to wake up the display If the d...

Page 7: ...s that are dry or slightly damp This cycle is not recommended for delicate fabrics AIR FLUFF Use this feature to tumble items without heat Timed Dry Use to set your own dry time TIMED DRY is also recommended for small loads To use TIMED DRY 1 Turn dry cycle dial to TIMED DRY 2 Select the drying time by pressing the TIME button You can increase the time in 10 minute increments up to 1 hour and 20 m...

Page 8: ... not use this cycle on delicate fabrics HIGH For regular to heavy cottons MEDIUM For synthetics blends and items labeled permanent press LOW For delicates synthetics and items labeled Tumble Dry Low EXTRA LOW For lingerie and special care fabrics START PAUSE Press to start a dry cycle If the dryer is running press it once and it will pause the dryer Press it again to restart the dry cycle CLEAN LI...

Page 9: ...le will not start until the door is closed and the START PAUSE button is pressed You can delay the start of a dryer cycle up to 18 hours The light in the button will light up when DELAY START is on Lock You can lock the controls to prevent any selections from being made Or you can lock or unlock the controls after you have started a cycle Children cannot accidentally start the dryer by touching pa...

Page 10: ... 10 Emptying the Water Tank Cleaning the Condenser Water Tank Drain hole Important The condenser should be cleaned once a month Fixer Condenser ...

Page 11: ...with AMERICAN NATIONAL STANDARD FOR MOBILE HOME NO 501B Provide an opening with a free area of at least 25 sq in for introduction of outside air into the dryer room UNDERCOUNTER INSTALLATION If an undercounter installation is desired No special dryer installation kit is required If the dryer is installed alone a minimum of 60 square inches of open area is required If a washer and dryer are install...

Page 12: ... 12 Connecting the Drain Hose A A B Drain hose Hose guid e 90 cm Cable Ti e ...

Page 13: ... Normal completion time to reverse the door swing is 20 30 minutes Important Once you begin do not move the cabinet until door swing reversal is completed These instructions are for changing the hinges from the right side to the left side if you ever want to switch them back to the right side follow these same instructions and reverse all references to the left and right Hardware Used Mounting Scr...

Page 14: ... the dryer front panel 4 Remove 16 door screws and male end of latch from the inner side of the door 5 Remove the inner face 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 7 Replace a door screw in the center of the side opposite the hinge Put the male end of the latch into place and fasten with tw...

Page 15: ... of the dryer rotate 180 degrees and place it into the assembly on the opposite side 10 Move the mounting screw to the upper screw hole position on the hinge so that the door can be set on the cabinet during final installation 11 Fasten the hinge back on at the top and bottom with the hinge mounting screws ...

Page 16: ...he washer on top of the dryer Location Requirements When installed in a location other than an alcove or closet the minimal clearances to combustible surfaces and for air opening are 0 inches on both sides and 3 inches front and rear Consideration must be given to provide adequate clearance for installation and service Note Your dryer is approved for installation in an alcove or a closet as stated...

Page 17: ...ay the dryer down on its side Continue using the carton to protect the finished floor in front of the installation location 1 Carefully lay the dryer on its side Use the packing material so you don t scratch the finish on the dryer 2 Remove the dryer leveling legs Unscrew and remove all 4 leveling legs 3 Locate the 4 rubber pads in the parts package Insert rubber pads into the leveling leg holes 4...

Page 18: ...cause of its weight and size Failure to do so could result in personal injury or death 9 Align the holes in the bracket with the holes in the back of the dryer Using a Phillips screwdriver attach the 2 8 x 1 2 in tapping screws 10 Tighten the dryer bracket screws and then tighten all stacking kit screws 11 Refer to the washer Installation Instructions to complete the washer installation 12 Refer t...

Page 19: ...e progresses as follows 1 A cycle is selected and the START PAUSE button is pressed 2 The motor is activated The drum motor rotates the drum at a speed of approximately 50 rpm revolutions per minute 3 The heater elements are activated The elements cycle on and off to achieve the desired temperature throughout the heating portion of the cycle 4 If sensor drying is selected the heater elements are a...

Page 20: ... where it is cooled down and the moisture condensed out The same dry air is then reheated where it is again blown thru the drum and clothes and the cycle begins again this is a more or less continuous process If the ambient air flow is restricted in anyway it will decrease the performance of the condenser and significantly increase drying times Proper air flow thru the dryer is essential for norma...

Page 21: ... 21 ...

Page 22: ...e control board to activate the pump Once the condensation tank is full the machine will pause and the Tank Full LED light will illuminate If the condensation tank overfills water will travel down the black overflow hose to the pump area and trigger the float switch An overfill condition triggered by the float switch will cause the pump to run for 20 seconds After 4 attempts if the overfill is not...

Page 23: ... 23 Component Locator Views Continued Next Page Front view Control Panel Reversible Door Ambient Air Intake Condenser Condensation Tank Door Switch Drum Lamp Location ...

Page 24: ... 24 Continued Next Page Top view Motor Capacitor Belt Condensation Tank Housing Drum Grey Pump Hose Pump Area to Condensation Tank ...

Page 25: ... view cabinet interior Rear Drum Seal Bearing Assembly Belt Switch Front Blower Wheel Motor Float Switch and Pump Black Overflow Hose Condensation Tank to Pump Area Grey Pump Hose Pump Area to Condensation Tank ...

Page 26: ... 26 Rear view duct cover removed Heater Assembly Terminal Cover Duct Fan Guide Rear Blower Wheel Grey Pump Hose Pump Area to Condensation Tank ...

Page 27: ...lt 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 RY5 RY1 CN5 CN1 CN6 CN2 ...

Page 28: ... Control Panel The control panel is held in place with 4 Phillips head screws and 4 tabs Two tabs engage the front brace and 2 tabs engage the cabinet front To remove the control panel 1 Remove the top panel See Top Cover 2 Pull to remove the condensation tank 3 Remove the 2 Phillips head screws that attach the top of the control panel to the top brace 3 Remove the 2 Phillips head screws that atta...

Page 29: ... Phillips head screws and 2 tabs The control will shut down 15 minutes after the last button press or the end of the cycle To remove the control board 1 Remove the control panel See Control Panel 2 Pull the cycle knob off Note the alignment of the D shaft when installing the knob 3 Place the control panel face down on a protective surface 4 Remove the 4 Phillips head screws that attach the control...

Page 30: ...r access panel and then remove the access panel from the front panel by sliding to the left or right and then lifting up 4 Open the door and then remove the 2 Phillips head screws located in front of the lint filter and the 2 Phillips head screws located above the door opening 5 Close the door and then remove the 4 Phillips head screws from the top corners of the front panel 6 Pull the top of the ...

Page 31: ...connect Wire Retainer Wire Retainer Door Switch The door switch is fastened to the front panel by 2 locking tabs A grey housing covers the door switch and needs to be removed before the switch can be removed When the dryer door is closed the switch will complete the motor circuit allowing dryer operation When the door is open the switch will open the motor circuit interrupting dryer operation Oper...

Page 32: ... the front panel See Front Panel Disconnect the wire harness and pull the thermistor from the drum support Outlet Thermistor Disconnect Note The thermistor fits in a rubber grommet that is attached to the drum support If unable to reach the thermistor for removal it may be necessary to remove the drum support See Drum Support Drum Support Assembly The drum support assembly houses the lint filter d...

Page 33: ... Phillips head screws that attach the drum support to the cabinet Foam Air Diverter Front Air Cover 3 Slide the foam air diverter and front air cover forward to remove from the dryer 8 Remove the 3 Phillips head screws that secure the condensation tank housing to the cabinet and then pull and twist the housing forward slightly until the housing tab is free from the frame 9 Lift the drum support up...

Page 34: ...e service test mode See Service Test Mode Proper leveling of the dryer is vital for accurate sensor drying If the front of the dryer is raised too high clothes will tumble toward the rear of the drum preventing contact with the sensors This could produce a false dryness reading Touch Sensors The touch sensor consists of 2 sensors permanently attached to the drum support Drum Rollers The front of t...

Page 35: ...o run for 20 seconds After 4 attempts if the overfill is not cleared the machine will pause and the Tank Full LED light will illuminate The user can press the START PAUSE button to repeat the above overfill process This can be done unlimited times as long as the overfill condition still exists Operation of the pump and float switch can be checked by using the service test mode See Service Test Mod...

Page 36: ...6 Remove 1 Phillips head screw that secures the pump assembly to the base located toward the back of the dryer 7 Pull up on the black overflow hose to remove from the pump assembly 8 Remove the pump assembly from the dryer base and then disconnect the wire harness from the float switch and pump 9 Remove the grey hose connected to the pump 3 Disconnect the float switch from the wire harness 10 Pres...

Page 37: ...has an approximate resistance value of 92 Both heaters can be checked from CN2 pin 2 black to RY5 red for the approximate resistance value of 126 Ω The heaters can be checked individually for confir mation at the heater connecter The approximate resistance values from gray to brown is 34 and from gray to black is 92 Operation of the heater assembly can be checked by using the service test mode See...

Page 38: ...replace the manual reset thermostat it is necessary to replace the heater assembly See Heater Assembly Air Duct Guide Drum removed for clarity Inlet Thermistor The inlet thermistor is located above the heater assembly The thermistor measures incoming air temperature and responds to temperature changes The thermistor provides temperature change information to the control board The control board mak...

Page 39: ...ed Next Page 4 From the rear of the cabinet peel back the wiring grommet from the wiring entry opening 5 Pull the wiring thru the wiring entry opening 6 Remove the Phillips head screw and thermistor from the back of the dryer Thermistor Drum Belt Drum Belt Motor Pulley Front Blower Cover Wiring Grommet 3 Pull on the drum belt to roll drum belt from motor pulley Rear Blower Wheel The rear blower wh...

Page 40: ...t The motor support bracket has a hole that is used with the notch in the motor housing to hold the motor assembly while replacing the belt Use the special tools required to lift and support the motor assembly WARNING The spring tension on the motor pulley is extremely strong Keep hands clear while using tool to pry on motor pulley 1 Lift the front of the drum up and then place the belt in positio...

Page 41: ...sing from the dryer Cover 3 Remove the 2 Phillips head screws that attach the heater assembly to the back of the cabinet See Heater Assembly 4 Remove the 2 Phillips head screws and bearing cover from the back of the dryer Grey Hose Retaining Ring 5 Using Truarc plyers remove the retaining ring from the drum shaft 6 Lift and pull the drum out of the cabinet Note The drum shaft is permanently attach...

Page 42: ...l assembly 1 2 inch counterclockwise then pull the rear drum seal assembly straight out from the cabinet 4 At each tab location pull the rubber gasket away from the circular bracket Tab Tab Felt Seal Rubber Gasket Tab Bearing 7 Remove the 4 Phillips head screws that attach the bearing to the cabinet and then release the tab located at the top Belt Switch The belt switch is located on the motor sup...

Page 43: ...art capacitor and internal automatic reset overload The start winding resistance value is 20 Ω white red The run winding has a resistance value of 14 Ω white blue Operation of the motor can be checked by using the service test mode See Service Test Mode Specific failures associated with the motor can initiate error codes 3E1 and 3E2 See Error Codes To remove the motor assembly 1 Remove the drum an...

Page 44: ...can be replace if damaged To remove the base 1 Remove the motor assembly and condensate pump See Motor Assembly and Condensate Pump 2 Remove wiring harness from the base 3 Remove the 4 Phillips head screws that secure the base to the front of the dryer frame 4 Remove 9 Phillips head screws and base from the dryer ...

Page 45: ...tton 4 Press the EXTEND TUMBLE button Upon entering the service test mode the control will be in test selection mode tO1 Rotating the knob clockwise will increment the test numbers Rotating the knob counterclockwise will decrement the test numbers Scroll thru the list of tests by rotating the knob CW or CCW Once the desired test is highlighted press START PAUSE to begin the test During a test pres...

Page 46: ...o service mode screen t06 Thermistor 1 and 1600 W Heater Test START PAUSE Displays temperature and rotates dryer motor Heater turns on for a maximum of 5 minutes POWER Returns to service mode screen t07 Thermistor 2 and 600 W Heater Test START PAUSE Displays temperature and rotates dryer motor Heater turns on for a maximum of 5 minutes POWER Returns to service mode screen t08 Moisture Sensor Test ...

Page 47: ...g Replace the thermistor as necessary Replace the PCB as necessary HE Heating Error Heating Temperature is over 185 Fahrenheit for more than 10 seconds Failure mode equals stuck heater relay Replace MC board Check the Heater and Heater connector Replace the PCB as necessary HE4 Heating Error Filter Check Clean lint filter condition detected 3 consecutive times Check the case filter condenser Check...

Page 48: ...e servicing Caution Label all wires prior to disconnection Wiring errors can cause improper and dangerous operation Verify operation after servicing Schematics and Wiring Diagrams MOTOR CHECK MOISTURE INLET OUTLET CONDENSATE DC DC DC DC DC DC 12V 12V 12V 5V 5V 5V AC 240V ...

Page 49: ...s do not allow the exclusion or limitation of incidental or consequential damages This warranty gives you specific legal rights and you may also have other rights which vary from state to state To know what your legal rights are consult your local or state consumer affairs office or your state s Attorney General Warrantor General Electric Company Louisville KY 40225 All warranty service provided b...

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