GE GTWN7450DWW

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Schematic

Strip Circuits Not Common to 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.

Main Page

Laundry2
Important Safety Notice4
Reconnect All Grounding Devices4
2012 Clothes Care Nomenclature Washer5
HE Detergent6
Location7
Warranty8
Distinguishing Characteristics10
Dispenser Configuration10
Dispenser Configuration Low End11
Dispenser Configuration MID Grade12
Dispenser Configuration High End13
Bulk Dispense13
Backsplash Assembly14
Removal and Accessing Boards14
Lid Assembly16
Re-Installing the Lid19
Hinges20
Top Cover Removal21
Remove 2 Screws21
Basket and Tub23
Basket and Tub Removal24
Components Overview28
Water Valves29
Removing the Water Valve33
Reinstalling the Water Valve37
Closing Click Clamps with Click Pliers38
Opening Click Clamps with Click Pliers39
Reinstall Water Valve to the Top Cover45
Reinstalling the Fill Funnel46
Lid Lock Assembly48
Bulk Dispenser Tanks49
Pressure Sensor54
Location and Removal54
Tub Water Level / Hz Conversion57
Pressure Sensors for Bulk Tanks58
Bottom of Subwasher60
Bulk Dispenser Pressure Sensor Location60
Component Locations60
Water Pumps61
To Remove Either Pump62
To Reinstall Either Pump62
Drive System63
Drive System Rotor Removal64
Stator65
To Remove Stator65
RPS Switch Hall Sensor66
Hall Sensor Is Easy to Remove66
Mode Shifter67
Mode Shifter Assembly68
Platform Assembly Removal69
Platform Assembly Installation72
Heater Assembly74
Thermistor75
Schematic76
Common Diagram to All Models76
Wiring Diagram76
Washer IMC Board76
Strip Circuits Not Common to All Models – Water Valves77
Water Valve Assembly77
Strip Circuits Not Common to All Models – Bulk Tank Sensors80
Strip Circuits Not Common to All Models81
Heater Circuit81
Strip Circuits Not Common to All Models – Tub Light82
Strip Circuits Not Common to All Models – Recirculation Pump83
UI Logic Board and RJ45 Board84
IMC/Inverter Board85
Diagnostics from the Board86
AC Voltage into the Board – Not Powering up86
Recirculation Pump87
Drain Pump88
Mode Shifter Motor Resistance89
Mode Shifter Position Switch90
Thermistor Resistance91
Lid Lock Motor92
Lid Switch93
Lid Lock Position Locked/Unlocked94
Tub Light95
UI Logic Board Voltage96
Drive Motor97
Testing the Rps/Hall Sensor98
Heater and Continuity Circuit99
Service Mode100
How to Enter the Service Mode and Navigate100
Tests101
Lid and LED Check101
How Water Valve Check101
Cold Water Valve Check101
Spin102
Drain Pump Check102
Recirculation Pump Check102
Heater Check102
Lid Lock103
Driver Communication Test103
Error Codes103
Clear Error Codes103
Fault Codes104
Frequently Asked Questions107
What Is the Difference between Heavy and Light Settings?107
Which Cycle Is Best for Heavily Soiled Items?107
How Can I Reduce Linting?107

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