GE WNCD2050A0 Technical Service Manual Download Page 22

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Schematics and Strip Circuits

WARNING

POWER MUST BE DISCONNECTED BEFORE SERVICING THE APPLIANCE.

GEA00525

PUMP

RED W/BLACK

12 11 10 9 8 7 6 5 4 3 2 1

3 2

SPOT
SOAK

PURPLE W/WHITE

CONTROL CIRCUIT BOARD

YELLOW

RED

PURPLE

BLACK

WHITE

BLACK

WHITE

DARK BLUE

ORANGE

YELLOW W/RED

WHITE W/RED

COLD

HOT

WHITE

LID

SWITCH

12 WATER

LEVEL

SWITCH

WATER

TEMP

SENSOR

SELECTOR

HARNESS

PLUG

DARK BLUE

RED W/WHITE

O.L.

LOW

MOTOR

HIGH

START

WHITE

W/RED

WHITE

YELLOW W/RED

ORANGE

DARK BLUE

WHITE

WHITE W/RED (N)

BLACK

GEA00524

PURPLE

TAN

RED W/WHITE (L1)

DARK BLUE

WHITE

RED

YELLOW

PURPLE W/WHITE

BLACK

YELLOW

1 2

3 1

1 3 56 89 1112

1
2
3
4
5
6

Note: The numbers in the drawing of the PCB above corre-
spond to the numbers on the schematic of the PCB below.

Summary of Contents for WNCD2050A0

Page 1: ...PUB 31 9058 08 00 MODEL SERIES TECHNICAL SERVICE GUIDE GE Consumer Home ServicesTraining WizardTM Extra Large Capacity Washer WPSE7003A0 WNCD2050A0 g ...

Page 2: ...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 and prope...

Page 3: ...3 Installation Highlights 4 Operating Characteristics 6 Cycle Chart 8 Electronic Controls 9 Control Settings 12 Removal and Replacement 19 Schematics and Strip Circuits 20 Troubleshooting Flowcharts 22 Troubleshooting Guide 27 Illustrated Parts Breakdown 31 Quiz 37 ...

Page 4: ...ear repeats every 12 years Example T 1974 T 1986 T 1998 Washer Nomenclature GEA00518 Nomenclature Nomenclature Nomenclature Note Model number and serial number are located on rear of backsplash The technical sheet is located under the control panel Product W GE Washer Model P Profile Basket Size S Super Number of Speeds 7 7 Speeds Product Type E Electronic Exterior Color WW White on White Engineer...

Page 5: ...sembly and electronics if any of these parts should fail due to a defect in materials or workmanship GE will also replace the washer lid or cover if they should rust under operating conditions During this additional four year limited warranty you will be responsible for any labor and in home service costs The transmission and outer washer tub if any of these parts should fail due to a defect in ma...

Page 6: ...r at 120 to 150 F 50 to 66 C in the washer when HOT wash is selected Shut off valves should be supplied for both hot and cold water lines Drain water into a standpipe or laundry tub The discharge height must not be less than 30 in nor more than 8 ft above the base of the washer The standpipe must be 1 1 2 in minimum inside diameter and must be open to the atmosphere The commercial washer uses coin...

Page 7: ... 5 Notes ...

Page 8: ...s de energize after 40 minutes if the pressure switch has not been tripped The cycle then stops If this Operating Characteristics fault is triggered the display will show a 1 the PerfecTemp LED will flash and the washer will be in the PAUSE mode If the user changes the water temperature during fill the change occurs immediately During the wash fill one of four lights will be on to indicate selecti...

Page 9: ... The ATC should maintain the water tempera ture in the tub within the ranges specified in the following table Other Functions 2nd Rinse The extra rinse selection provides a complete second rinse to the cycle When selected the electronic control limits the first rinse spin to 3 minutes Therefore the final spin of 6 minutes shall occur once per cycle whether or not extra rinse is selected The 2nd Ri...

Page 10: ...s no see note 3 see note 3 see note3 see note 3 Quick rinse yes no medium c c s f 3 3 6 6 Drain spin yes spin only s f 6 6 White Cottons no yes large normal 9 normal 3 gentle h c f f 3 3 8 18 Colored Cottons no yes large normal 9 normal 3 gentle w c f f 3 3 8 18 Two custom cycles yes no Extra rinse yes no Load super large medium small Extra spin yes no Times Extra heavy 15 heavy 12 normal 9 light ...

Page 11: ...d time to run that complete cycle including fill and pump out times If a user presses a new option while a cycle is running the control instantly updates the DSSD to show the new time remaining If the time remaining is greater than 59 minutes the DSSD displays the number of hours with an H next to it for 3 seconds followed by the number of minutes for 3 seconds Example a 125 minute cycle will disp...

Page 12: ...her then re sumes agitation The Field Service Mode can be exited in three ways 1 Press the Stop Cancel keypad 2 Unplug the unit 3 Control automatically exits test mode after 30 minutes Indicates the model number Indicates the number of the error code If there is more than one error each error will display for 2 seconds followed by the next error To determine if the lid switch is working select the...

Page 13: ...es to fill the control sets the E5 error flag Pump Detection Circuit Error E6 If the pump detection circuit indicates water is not being pumped when the pump is energized and the pressure switch indicates water is present in the tub the E6 error flag is set Push Button Error E7 If any push button is closed for 1 minute or longer the E7 error flag is set Pressure Switch Error E8 If the high level p...

Page 14: ...evel Wash Rinse Termperature and Wash Spin Speed are automatically set Then all you have to do is press Start ONE TOUCH Quick Start Guide Add detergent Add diluted fabric softener Add clothes Select wash cycle Check load size setting Close lid Push START Washer Control Panel You can locate the model number behind the top edge of the control panel Model WPSE7003 GEA00539 Model WNCD2050 ...

Page 15: ...and permanent press items For lingerie and items labeled hand washable with light soils Provides periods of agitation and soak during wash and rinse For lightly soiled items that are needed in a hurry Cycle time is approximately 15 minutes depending on your household water pressure Changing the Automatic Settings You can change any of the automatic settings simply by pressing the desired pads 1 1 ...

Page 16: ...UICK RINSE settings STAIN WASH on some models For heavily soiled or stained items Adds an extra agitation and soak at the beginning of the wash cycle Stain Wash on some models For heavily soiled or stained items Adds an extra agitation and soak at the beginning of the wash cycle About Clothes Care Cycles Presoak To presoak a load and go straight into a wash cycle Select a wash cycle press the Pres...

Page 17: ... the custom settings Repeat steps 1 4 above DRAIN SPIN DRAIN SPIN any cycle at any time Automatic DRAIN SPIN setting Drain Spin Drain Spin any cycle at any time Custom 1 and Custom 2 on some models Set up your favorite combination of settings and save them here for one touch recall These custom settings cannot be set while a cycle is in progress To store a custom combination of settings 1 Select a...

Page 18: ...rk if the washer lid is down the washer tub is filling the water has already reached the level you selected 3 2 1 Start Pause After you have selected a new cycle press once to start the cycle Press twice to select the last cycle used and start the washer If the washer is running press once to interrupt the cycle press again to continue the cycle Stop Cancel This pad should not be used to interrupt...

Page 19: ... temperature extremes for better washing performance You may hear the water valves turning off and on while the water temperature is being adjusted This is normal Beeper Alerts you when the cycle is complete You can turn off the end of cycle beeper by pressing this pad Second Rinse Adds a second rinse to any cycle Extend Spin Extends the last spin of a wash cycle This will extract more water from ...

Page 20: ...et with your detergent Do not mix chlorine bleach with ammonia or acids such as vinegar and or rust remover Mixing can produce a toxic gas which may cause death 3 2 1 Liquid Bleach Dispenser The dispenser dilutes liquid chlorine bleach before it reaches into your wash load 1 Check clothing care labels for special instructions 2 Measure liquid bleach carefully following instructions on the bottle N...

Page 21: ...rews 1 4 in from the control board Caution To prevent electrostatic discharge ground yourself to the washer cabinet or use an ESD wristband 4 Remove the electronic control board Note When reassembling align the LEDs with the appropriate control panel indicators 5 Reverse the above procedure to reinstall Remove 4 Screws GEA00371 Remove Harness Connections Model Selector Harness Remove Harness Conne...

Page 22: ...E YELLOW W RED WHITE W RED COLD HOT 3 WHITE 2 LID SWITCH C H L 16 12 WATER LEVEL SWITCH WATER TEMP SENSOR SELECTOR HARNESS PLUG 11 DARK BLUE 1 RED W WHITE M2 M1 O L LOW MOTOR HIGH START L1 N WHITE W RED WHITE YELLOW W RED ORANGE DARK BLUE WHITE WHITE W RED N BLACK GEA00524 PURPLE TAN RED W WHITE L1 DARK BLUE WHITE RED YELLOW PURPLE W WHITE BLACK YELLOW YELLOW 1 2 3 1 1 3 56 89 1112 1 2 3 4 5 6 Not...

Page 23: ...T SOAK 1 YELLOW YELLOW Spot Soak Strip Circuits Orange to White 12 VDC Orange to Dark Blue 12 VDC Main Power and Drain Pump Motor Motor GEA00527 M PUMP RED W BLACK 9 BLACK 1 RED W WHITE L1 Water Valves GEA00526 M5 M6 M7 M3 6 PURPLE W WHITE 5 YELLOW 4 RED 3 WHITE 2 DARK BLUE 1 RED W WHITE M2 M1 O L LOW MOTOR HIGH START L1 N WHITE W RED 12 11 8 TAN PURPLE WHITE W RED GEA00528 COLD HOT N WHITE W RED ...

Page 24: ...utput displays AL Slow agitate dry is activated DSSD output displays AH Fast agitate dry is activated DSSD output displays P Pump is activated DSSD output displays SP Spin is activated Press Colors button to return to Fd Press Colors button 3 times Press Colors button Press Colors button Press Colors button Press Colors button Press Colors button Fast agitate wet Exit field service mode Slow agita...

Page 25: ...ent Check resistance 50k ohms Replace if faulty E3 Flood Check water valves pressure switch Replace if faulty E4 Slow pump Check pump standpipe height and drain Look for pump obstructions Replace pump if faulty E5 E6 No Pump Check for pump obstructions operation Replace pump if faulty E7 Stuck push button Replace PC board E8 Pressure switch faulty or disconnected Replace if faulty No No No Fill Ch...

Page 26: ...te Rather than just spinning up right away the control enters this sequence after pumpdown to reduce suds lock The pump stops then starts for a few seconds then it begins to spin up Spin Speed Troubleshooting ...

Page 27: ... machine timed out 1 displays PerfecTemp PAUSE lights flash Check for clogged screens and replace Kinked water hose Straighten or replace Are screens clogged GEA00590 Washer starts automatically Machine timed out after 24 hours Yes LID UP Will drain only normal LID DOWN Will drain and spin automatically normal Yes GEA00588 Washer Starts Automatically Troubleshooting ...

Page 28: ...tion 12 minutes of soak then cycle selected Is Hand Wash option selected Yes It has a short soak period Yes Yes GEA00587 Washer won t operate Has START been pressed Yes Yes Press START No No Are controls set properly House fuses and breakers okay Separate circuit required Is washer plugged in to power and water supply turned ON Electronics need to be reset Yes Yes Set controls properly No Plug in ...

Page 29: ... detergent manufacturer s directions Hard water Use a water conditioner like Calgon brand or install a water softener Water is not hot enough Make sure water heater is delivering water at 120 F 140 F 48 C 60 C Washer is overloaded Select load size to match clothes load Detergent is not Add detergent as wash basket fills with water before dissolving you load clothes Dye transfer Sort clothes by col...

Page 30: ...ms like work clothes with light items like blouses Try a fabric softener Overloading or Load your washer so clothes have enough room incorrect water level to move freely Incorrect wash and Match Cycle selection to the type of fabric you are dry cycles washing especially for easy care loads Repeated washing in Wash in warm or cold water water that is too hot OPERATION Possible Causes What To Do Was...

Page 31: ...ses are connected to correct faucets Water valve screens are Turn off the water source and remove the water connection stopped up hoses from the upper back of the washer Use a brush or toothpick to clean the screens in the machine Reconnect the hoses and turn the water back on House water heater is Make sure house water heater is delivering water not set properly at 120 F 140 F 48 C 60 C PerfecTem...

Page 32: ...the front leveling legs by rotating the individual leg in the proper direction for up or down To level back of washer lift back of machine 4s 11 cm and set down Washer load is Press PAUSE to stop the washer open the lid and unbalanced redistribute the load evenly Close the lid and press START Shipping rod is still assembled To remove shipping rod from washer pull yellow tag and in unit attached ro...

Page 33: ... 31 Illustrated Parts Breakdown Parts List Exploded parts views and list for Model WPSE7003A0 Refer to microfiche for specific model information ...

Page 34: ... 32 818 790 825 Exploded parts views and list for Model WPSE7003A0 Refer to microfiche for specific model information ...

Page 35: ... 33 Parts List Exploded parts views and list for Model WPSE7003A0 Refer to microfiche for specific model information ...

Page 36: ... 34 Exploded parts views and list for Model WPSE7003A0 Refer to microfiche for specific model information ...

Page 37: ... 35 Parts List Exploded parts views and list for Model WPSE7003A0 Refer to microfiche for specific model information ...

Page 38: ... 36 Parts List Exploded parts views and list for Model WPSE7003A0 Refer to microfiche for specific model information ...

Page 39: ...Remove AC power from Washer c Wait for 30 minute timeout d All of the above e None of the above Quiz 5 The WizardTM Washer control checks the thermistor during operation If the sensor is shorted or open the control will complete the cycle and sets an E2 code T or F 6 The Extended Spin button will allow the customer to extend all the spins in that cycle T or F 7 The ATC sensor will measure 50K ohms...

Page 40: ... 38 ...

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