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GE GHWN8350DWS, Training Manual

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GE GHWN8350DWS Training Manual Download Page 75

The Thermistor is Located in the Bottom of the 
Tub  Assembly Next to the Drain Pump and is 
Removed by Removing the 2 - 5/16” Hex Screws

. 

Bottom of Subwasher 

Thermistor  

Be sure to reconnect 

Yellow signal 

wire 

onto the thermistor and the 

Brown wire 

on the heater. This is 

needed to sense continuity through 
the water in the tub to allow the 
heater to come on. As water fills the 
tub the connection is made between 
the outer casing of the thermistor and 
the heater. This then is read at the 
inverter board. 

NOTE: 

Make sure the 

rubber O-RING is in place 
before reinstalling the new 
thermistor. 

Summary of Contents for GHWN8350DWS

Page 1: ...Marcone 2014 MSA Training GE Mission 1 Top Load Washer 1 ...

Page 2: ...and Steam option Received Excellence in Design Award from Appliance Design Magazine and Editors Choice Award from Reviewed com Top rankings from a leading consumer magazine including one Best Buy and 3 Recommended SKU s It s also important to note that a leading consumer magazine rates GE as the number one conventional top load washer in the industry ...

Page 3: ...MODELS GTWS8650DWS 8655DMC GTWN8450DWS 8455DMC GHWN8350DWS 8355DMC GTWN8250DWS 8255DMC GTWN8150DWS 8155DMC GTWN7450DWW Newly Designed GE Top Load Washers ...

Page 4: ...nterpretation of this information nor can it assume any liability in connection with its use WARNING To 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 t...

Page 5: ... W Product W Washer D DryPer U Unitized A Canadian S Key Feature S Steam H Heater N Stainless Tub P PermaTuff TM Tub W S Specific Color WW White BB Black CC Bisque MV Metallic Red MG Metallic Gold MS Metallic Block WS Silver backguard WT Titanium backguard D Year 0 Color 0 White 5 Color 8 6 5 Series TL eStar 0 non eStar 4 Cold Water Wash non eStar 5 eStar 0 Engineering Digit ...

Page 6: ...HE Detergent Use Care recommends the use of HE detergent only ...

Page 7: ...Mini Manual Location The Mini Manual can be accessed by pushing down the tub and basket assembly with one hand Then reach into the plastic bag located on the left inside rear of the outer wrapper Front ...

Page 8: ...Warranty 8 ...

Page 9: ...Warranty What GE will not Cover 9 ...

Page 10: ...There are 3 different dispenser configurations for the three different washer basket sizes Distinguishing Characteristics Dispenser Configuration 10 ...

Page 11: ...nfiguration Low End Jet Softener Yes Water valve Yes Delay Outlet connected to nozzle through hose Jet Softener Bleach funnel No water valve No Delay Drops into tub cover pocket when filled Bleach funnel 4 5 cu ft ...

Page 12: ... Siphon Bleach Large Yes Water valve Yes Delay Dispense in tub cover Siphon Bleach Drop in Detergent Yes Water valve No Delay Drops into tub cover and then cup is washed Drop in Detergent Jet Softener Overflow collector left 4 8 cu ft ...

Page 13: ...Detergent Siphon Bleach Small Bulk Dispense Dispenser Configuration High End Detergent Bulk Dispenser Asm Detergent Bottle Cap Level Sensor Softener Bulk Dispenser Asm Softener Bottle Cap Level Sensor 5 0 cu ft ...

Page 14: ...shing in on the side locking tab 3 Push backsplash back while rotating top of backsplash away from you to disengage the rear cover from the two retention clips 2 Close Lid and remove the two screws that secure the backsplash to the washer Removal and Accessing Boards 14 ...

Page 15: ...splash Assembly 4 Rotate backsplash towards you and lay on face 5 Remove six screws from back cover and disconnect harness connectors as required NOTE Be careful of the harness routing when separating and reinstalling RJ45 Connector 15 ...

Page 16: ... To remove the lid assembly you must first remove the backsplash assembly See Backsplash Removal Removal Disconnect the wire connector and the pressure hose from the sensor Unclip the pressure sensor from the backsplash bottom Squeeze and push through ...

Page 17: ...ove the Backsplash bottom remove the 2 inch Hex screws 1 on each side under the trim cap BACKSPLASH BOTTOM Then slide the Backsplash Bottom toward the rear of the washer and out Lid Assembly Removal Trim Cap ...

Page 18: ...m is removed open the lid and slide to the left Removal BACKSPLASH BOTTOM The right side hinge shaft will disengage from the hinge Lift the right side of the lid to clear the hinge and slide lid to the right to disengage from the left hinge ...

Page 19: ...id When re installing the Lid onto the Top Cover Make sure to center it between the hinges Then re install the backsplash bottom before attempting to close the Lid Doing this will prevent damage to the enamel on the top cover Centered ...

Page 20: ... lid assembly Removal Remove the 4 screws and pull the hinge out from the bottom of the tub cover Wire tie Location Raise the top cover Cut the wire tie that supports the hose onto the back tab of the hinge NOTE Bulk dispense models will have wire ties on both hinges ...

Page 21: ... Remove Backsplash and Pressure Sensor Assemblies as stated previously 2 Remove two screws at the rear of the cover that secures the cover to rear rod support and ground screw connecting wire to top cover Remove 2 Screws ...

Page 22: ...orner mounted to the front flange of the apron Once the cover is disengaged from the apron lift up the front of cover from front clips Remove hose clamps to disconnect two bulk dispenser hoses where they connect to the fill funnel 4 Remove cover Front Clips Remove These Bulk Dispense Hose Clamps ...

Page 23: ...Basket and Tub Removal ...

Page 24: ...et and Tub assembly you will need to access the rear of the washer If the washer is in a pan use your assist devise to remove from the pan first After the washer is removed from the pan remove the 11 HEX screws holding the rear panel in place ...

Page 25: ...ension brackets the hold the tub to the apron by removing the 16 inch HEX screws The drain hose will also need to be removed from the tub NOTE Use a pan to catch excess water in the drain hose Also be sure that the harness that goes to the sub assembly is moved to the sides of the apron so they are not damaged during Tub Removal Lift the rear suspension bracket up off the apron Remove the Rod and ...

Page 26: ...Basket and Tub Removal Remove the front rod supports and then roll the tub back and out of the washer apron and lay on its side Remove the Tub Cover by lifting the 12 snap locks for the Tub X 12 ...

Page 27: ...ss that goes across the bottom brace for the bulk dispenser sensor Then slide basket out of the tub Basket and Tub Removal If you are replacing the outer tub assembly you will need to flip the tub assembly all the way over to remove all of the components from the bottom of the tub ...

Page 28: ...Components Overview ...

Page 29: ...Water Valves Three Different Water Valves Accommodates Three Different Dispenser Configurations ...

Page 30: ...Low End model Water Valve 4 5 cu ft Water Valves Fabric Softener Cold Hot Water hose Identifiers BLUE COLD RED HOT ...

Page 31: ...Mid Range model Water Valve 4 8 cu ft Water Valves Detergent Bleach Fabric Softener Cold Hot Water hose Identifiers BLUE COLD RED HOT ...

Page 32: ...Water Valves High end models 5 0 cu ft Bulk Detergent Bulk Fabric Softener Detergent Bleach Cold Hot Water hose Identifiers BLUE COLD RED HOT ...

Page 33: ...acksplash assemble See Backsplash Removal Procedure Remove the 2 inch HEX screws that hold the fill funnel in place Then remove the inch HEX screws that hold the water valve to the top cover The number of screws vary depending on the water valve in the washer 3 coils to 6 coils ...

Page 34: ...he water valve out toward the rear of the washer The wires that you see go to the LED Tub light that is mounted to the fill funnel Once you have the valve slid out you will need to orient the clamps for removal The lobe of the clamp needs to be up ...

Page 35: ...ter Valve To orient the clamp use you pliers to grasp the clamp and turn it until the lobe is up Although regular pliers will work the Click Pliers work better NOTE The tube the clamp is securing may turn with the clamp This is ok ...

Page 36: ...Once the clamp is oriented using your pliers grasp the lobe of the clamp and twist The clamp will break off Water Valves Removing The Water Valve The tubes can then be removed from the valve ...

Page 37: ...ement clamps for all the hydraulics under the top cover Water Valves Reinstalling The Water Valve The smaller of the 2 clamps is used for all other tubes The larger of the 2 clamps are only used for the FILL FUNNEL TUBES ...

Page 38: ...lamps with Click Pliers To close the Click Clamp make sure the thinner part of the Pliers jaws are under the lip of the clamp Then squeeze the plier jaws together until the Lip is past the Hook and clicks HOOK LIP Done Thin Thick ...

Page 39: ...ers To open the Click Clamp flip the Click pliers over to where the Thick part of the jaw is on the lip side and the Thin side is over the Hump Then squeeze the plier jaws together until the Lip pops loose from the Hook Done HOOK LIP HUMP Thick Thin ...

Page 40: ...the 2 tubes from the fill funnel through the 2 large hose clamps This will hold it in position as the clamps will not go through the hole until they are clamped closed Water Valves Reinstalling The Water Valve ...

Page 41: ...h the clamps and attach the tubes to the water valve barbed stems Water Valves Reinstalling The Water Valve NOTE Be sure to have all of the clamps oriented in the same direction You will have difficulty getting them to go through the openings if you don t ...

Page 42: ...the tubes back onto the water valve orient the click pliers where the thin edge is under the LIP of the clamp That way it will slip under the HOOK of the clamp Water Valves Reinstalling The Water Valve H O O K L I P ...

Page 43: ...Squeeze the clamp until it snaps together Water Valves Reinstalling The Water Valve ...

Page 44: ...Clamp Installed Water Valves Reinstalling The Water Valve ...

Page 45: ...Water Valves Reinstalling The Water Valve Reinstall water valve to the top cover ...

Page 46: ...einstalling The Fill Funnel To reinstall the fill funnel slip the funnel supports under the lip of the tub cover opening Supports This will make it easier to line up the screw holes from the topside of the top cover ...

Page 47: ...d wire on the Invertor board at connector J702 to the J803 connector on the Invertor board 120VAC power supply to the valve Approx 1 K ohm resistance on the coils If you do not have any resistance make sure that the common neutral wire connecter is connected Common Neutral Connector ...

Page 48: ...t goes into a grommet through the cover to the control board The lid lock assembly includes the lid switch This is activated by the magnets in the lid assembly Lid Lock Assembly Bezel The lid lock switch assembly is held in place by 2 inch hex head screws that screw into the bezel 48 ...

Page 49: ...sher Back using Prop Blocks or laying the washer on it s side Bottom View NOTE Plug tank flange hole to prevent spillage Hose Clamp and Tank Flange 3 Remove the hose clamp using same procedure as the water valve at the bottom of bulk tank 2 Pull Tank out from the Bottom by lifting tank up and off of the bottom apron lip ...

Page 50: ...ation With the washer still leaning back using prop blocks or laying the washer on it s side Slide the tank in at a 45 degree angle Make sure to reconnect the hose back to the tank Use the small Click Clamp Hose Clamp and Tank Flange ...

Page 51: ...Bulk Dispenser Tanks Re installation Slide the tank up and in along side the front corner of the cabinet Maneuver the top of the tank around the front support rod ...

Page 52: ...tion When the top of the tank almost in place make sure that it does not get hooked on the support bracket You can feel when the top cap is in position Once you feel that you can fit the bottom of the tank into the bottom cabinet lip ...

Page 53: ...ation You will feel a firm pressure when you push the tank up Keep pushing the tank in until you get both tank posts into the lip of the cabinet This pressure will hold the tank in position and also prevent tank rattle on the cabinet ...

Page 54: ...sure Sensor Location and Removal The pressure sensor is located in the backsplash area Remove backsplash assembly Compress the locking tab holding the sensor in its housing Disconnect the sensor wire connector and the pressure hose 54 ...

Page 55: ...sure sensor s frequency is outside of the Valid Values then an error condition is set The error condition will be logged in Service mode If Pressure Sensor Error occurs during cycle the cycle will be canceled and the control should go to Idle If a cycle is started during a pressure sensor error the Fill cycle will be cancelled Pressure Sensor ...

Page 56: ...in out is as follows 1 Ground 2 Signal 3 5V With that you would want to test between pins 1 2 to measure the signal 1 Remove control panel 2 Compress the locking tab holding sensor in its housing 3 Disconnect the sensor connector and air pressure hose Removing the Pressure Sensor Pressure Sensor Testing ...

Page 57: ...Pressure Sensor Tub Water Level Hz conversion ...

Page 58: ...They are mounted to a plastic bracket that sits over the rear legs Slots in the bracket holds it in place to the wrapper To remove either lean the unit back or open the rear panel Disconnect wire connector from the sensor Lift up and off of the leg post Disconnect hose from the sensor Pressure Sensor ...

Page 59: ...Pressure Sensors For Bulk Tanks Pressure Sensor PRESSURE FREQUENCY PRESSURE FREQUENCY Diagram EMPTY 1 4 1 2 3 4 FULL ...

Page 60: ...ecirculation pump 1 3 8 nut Hex screw Torque 65 20 in lbs Drain Pump 1 3 8 Hex screw Torque 65 20 in lbs Rotor 11 16 nut Torque 500 30 in lbs Heater Assembly 10mm nut Torque 18 10 in lbs Tub Thermistor 2 5 16 Hex screws Torque 17 9 in lbs Bulk Dispenser Pressure Sensor location Platform 12 3 8 Hex bolt Torque 65 20 in lbs ...

Page 61: ...Bottom of Subwasher Water Pumps All of the Mid and High End Units will Have Drain and Recirculation Pumps Drain Pump 120 VAC Approx 16 5 ohm Recirculation Pump 120 VAC Approx 30 5 ohm ...

Page 62: ...s connecter Remove hoses from the Pumps Remove 1 3 8 Hex Bolt Lift up and Slide out from under the platform To Reinstall Either Pump Slide Pump bracket under the platform first Reinstall the 3 8 Hex bolt Torque 65 20 in lbs Reconnect Hoses and Harness connector to the pump ...

Page 63: ... spin up to 1000 rpm on high end models for more water extraction Less time needed for drying allows for more energy savings Motor will spin up to 900 rpm on the lower end models Bottom of Subwasher Drive System ...

Page 64: ...or Removal Remove the Rotor by turning the 11 16th nut counter clockwise Pull the Rotor toward you Be careful you don t pinch your fingers as the magnets on the rotor are strong When reinstalling the rotor torque the nut to 500 30 in lbs ...

Page 65: ...Bottom of Subwasher Stator To remove Stator Disconnect the Harness Remove 3 1 2 Hex Bolts Stator With Hall Sensor Attached ...

Page 66: ...11 16 Rotor Nut and Pull Rotor off to Access the Stator Assembly Unclip Hall Sensor from Stator by Lifting up from the Outer Edge Releasing the outer clips Inner clip will follow Unplug Connector Located on the Center of the Hall Sensor Inner Clip on Stator NOTE The outer clips could break when removing Have one on your truck before servicing ...

Page 67: ...removing the Stator See Stator Removal Disconnect the Harness to the Mode Shifter and Disengage the wire hold down aka Christmas tree from the Platform See Side Photos Then Remove the 3 T20 Torques Screws Pull Mode Shifter up and off the Platform Mode Shifter Torque Screws ...

Page 68: ...ode Shifter Assembly be sure to insert the spring properly It needs to fit Into the groove Torque for the Mode Shifter Screws is 17in lbs When installing the clutch make sure if moves freely up and down while lining up the teeth Make sure also to Install flat washer for the spring to be supported on platform ...

Page 69: ...lling the Hub Nut is 100 ft lbs First remove the impeller held down by a 7 16 bolt Lift the impeller up The coupler may come off with the impeller If not remove it also Top center of the impeller with cap removed exposing the 7 16 bolt Torque Limiter tool is use with impact gun to achieve the proper torque ...

Page 70: ...Bottom of Subwasher Platform Assembly Removal Lay the washer on its rear panel NOTE Be careful of the lid as it will open as you lay it over Remove all the components from the bottom of the tub assembly ...

Page 71: ...Bottom of Subwasher Platform Assembly Removal Remove the 12 3 8 Hex bolts Pry the platform off of the tub assembly ...

Page 72: ...Bottom of Subwasher Platform Assembly Installation When re installing the platform insert the orientation post on the tub into the post hole on the platform ...

Page 73: ... 2 3 and 4 Start with number 1 first Start the bolts but do not tighten all the way in right away Tighten each bolt of the way in at a time This is done to pull the pressed on seal into the tub assembly evenly 4 3 2 1 Once the inner bolts are all pulled in the outer bolts may then be installed Tighten and torque to 65 inch lbs ...

Page 74: ...er Heater Assembly Heater Assembly is similar to what we see on Front Load Washers It Has a Compressible Gasket that is compressed when the 10 mm nut is tightened This creates a water tight seal Torque spec is 44 in lbs ...

Page 75: ...ow signal wire onto the thermistor and the Brown wire on the heater This is needed to sense continuity through the water in the tub to allow the heater to come on As water fills the tub the connection is made between the outer casing of the thermistor and the heater This then is read at the inverter board NOTE Make sure the rubber O RING is in place before reinstalling the new thermistor ...

Page 76: ...76 Schematic Common Diagram to all Models ...

Page 77: ...Schematic Strip Circuits Not Common to all Models Water Valves Neutral Supply 77 ...

Page 78: ...Schematic Strip Circuits Not Common to all Models Water Valves Neutral Supply 78 ...

Page 79: ...Schematic Strip Circuits Not Common to all Models Water Valves Neutral Supply 79 ...

Page 80: ...Schematic Strip Circuits Not Common to all Models Bulk Tank Sensors 80 ...

Page 81: ... all Models Continuity And Heater Circuits Continuity Circuit NOTE Water is needed in the tub to complete the continuity circuit between the heater sheath and the thermistor If water is not present in the tub the heater will not come on 81 ...

Page 82: ...Schematic Strip Circuits Not Common to all Models Tub Light 82 ...

Page 83: ...Schematic Strip Circuits Not Common to all Models Recirculation Pump 120 AC Supply Neutral Supply 83 ...

Page 84: ...UI Logic Board and RJ45 Board 84 ...

Page 85: ...IMC Inverter Board J702 J701 J501 J407 J204 J1203 J101 J803 J502 J603 J1001 85 ...

Page 86: ...oper voltage Check for 120 VAC to the J101 connecter BLACK to WHITE wires from the LINE FILTER If no voltage there Check line voltage coming into the line filter from the power cord connecter If you have voltage there replace the line filter If no voltage check the power cord connecter and harness for damage ...

Page 87: ... power to the washer Access the control Disconnect the J701 connecter Check the resistance from the BROWN WIRE to the neutral WHITE WIRE at the J101 connecter Should read approximately 30 5 OHM If Resistance is good check for 120vac at the same locations 87 ...

Page 88: ...sconnect the J701 connecter Check the resistance from the YELLOW WIRE to the WHITE WIRE at the J101 connecter Should read approximately 16 5 OHM If Resistance is good check for 120vac at the same locations Diagnostics From The Board Drain Pump N E U T 88 ...

Page 89: ...ter Motor Resistance Check the Mode Shifter Motor Resistance from J701 connecter ORANGE WIRE to the WHITE Neutral wire on the J101 connecter Should read approximately 4K Ohm If Resistance is good check for 120vac at the same locations 89 ...

Page 90: ...ition Switch From the J501 connecter check for continuity between the GREEN and GRAY wires When the washer has stopped or is in the spin cycle the Position switch will be in the normally open state When the washer is in the agitate mode the switch will be closed 90 ...

Page 91: ...Diagnostics From The Board Thermistor Resistance From the J501 connecter check Thermistor resistance between the 2 AZURE wires 91 ...

Page 92: ...Check the resistance of the Lid Lock Motor from the J407 connecter BLACK to BROWN wires Should read Approximately 39 ohms Diagnostics From The Board Lid Lock Motor 92 ...

Page 93: ...Check the Lid Switch continuity from the J407 connecter GREEN to WHITE wires Diagnostics From The Board Lid Switch 93 ...

Page 94: ...id Lock Position continuity from the J407 connecter BLUE wire position 3 to WHITE wires when unlocked When it is locked RED wire position 6 to WHITE Diagnostics From The Board Lid Lock Position Locked Unlocked 94 ...

Page 95: ...ower from the washer Disconnect the J204 connecter from the board Set your meter to DIODE setting With your BLACK LEAD on the RED wire and your RED LEAD on the BLACK wire you should read approximately 0 727 if good If you reverse your meter leads RED ON RED you will not get a reading Diagnostics From The Board Tub Light 95 ...

Page 96: ...re pin 1 And also there should be approximately 7 5 VDC from the Brown wire pin 3 to the Yellow wire pin 1 If either of these voltages are not present replace the inverter board If they are present and the UI board is not coming on replace the UI board Diagnostics From The Board UI Logic Board Voltage UI Board 96 ...

Page 97: ...ing from one of the 3 phase wires RED YELLOW or BLUE on connecter J1203 to any of the other wires on the same connecter the resistance should be approximately 18 ohm Diagnostics From The Board Drive Motor 97 ...

Page 98: ... power to the machine on and the connector plugged in you can see with your multi meter 0 12vdc signal from P to any one of the 3 HALL wires on the inverter board when you very slowly move the basket CAUTION there is a potential of 170vdc from earth ground to P CAUTION BE SURE TO USE YOUR ELECTRICALLY RATED GLOVES 98 ...

Page 99: ...ly 10 amps Diagnostics From The Board Heater and Continuity Circuit The Brown wire that is on the heater sheath goes to the J501 This is the continuity circuit with the Yellow wire at the thermistor If the continuity is not there between the 2 the heater will not come on NOTE To read continuity there needs to be water in the tub 99 ...

Page 100: ...entering the service mode the control will be in the test selection mode and will be displaying test 1 in the display Rotating the knob clockwise will increase the test number Rotating the knob counterclockwise will decrease the test number Once the test number is selected press the start button to enter that test To exit that test rotate the knob either CW or CCW Pressing the power button will ex...

Page 101: ...Service Mode Tests ...

Page 102: ...Service Mode Tests ...

Page 103: ...Service Mode Tests ...

Page 104: ...104 Fault Codes ...

Page 105: ...105 Fault Codes ...

Page 106: ...106 Fault Codes ...

Page 107: ...Frequently Asked Questions ...

Page 108: ...END OF PRESENTATION THANK YOU FOR YOUR ATTENTION 108 ...

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