GE Profile Harmony WPGT9360 Technical Service Manual page 36

Troubleshooting the Heating Element
WH4
1
2
DC Control
Voltages from
4 3
Inverter Board
Water is not heating during the WHITES or SUPER CLEAN cycle.
Is there 120 VAC at the heating element
connector on the heating element control
board ?
No
Check DC voltage on the heating
element control board at connector
WH4. Is there approximately 13
VDC between the following 4 wire
combinations?
• Blue & Brown
• Blue & Yellow
• White & Brown
• White & Yellow
Yes
Replace the heating element control board.
Heating Element Control Board
WH3
Heating Element
Hi-Limit Thermostat
Yes
No
– 36 –
RD3
Fuse
RED3
Note: If the consumer's hot
water supply is above 140°F
(60°C), the heating element
will not come on at the start
of the WHITES cycle.
Unplug the washer and check for
12.5 Ω of resistance on the heating
element. Check for an open hi-
limit thermostat. Check wiring
connections.
Test the inverter. (See
Testing the
.) Check the temperature
Inverter
sensor thermistor. Check wiring
connections.
Ground
120 VAC Input
from RF Choke
120 VAC Output
to Inverter
Board