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Foamed into the dispenser door is a 136-ohm
heater designed to keep the ll tube from freezing.
The heater is in parallel with the recess heater,
both are controlled by the main board.
Fill Tube Heater Diagnosing
The ll tube heater can be operated using Service
Mode Test t6. Test t6 will operate the heater for
60 seconds.
J2 to J5 on Main Board
• J2 pin 8 (red/silver) to J5 pin 3 (violet/white):
13 VDC
Icemaker Diagnosing
To manually cycle the icemaker, turn the icemaker
o for 30 seconds then turn it back on and press
in and release the feeler arm of the icemaker
three times within 5 seconds. When the icemaker
calls for water it will deliver 120 VAC to the water
valves and to J18 on the main board. The door
switches do not need to be engaged in order to
cycle the icemaker.
J18 and J7 on Main Board (During Fill)
• J18 (white) - J7 pin 9 (orange): 120 VAC
Icemaker Valve (During Fill)
• White - orange: 120 VAC
Isolation Valve Connector (During Fill)
• Yellow/black - orange: 60 VAC*
*As a result of the diodes in the isolation valve
circuit, only 60 VAC will be read from a voltmeter
when checking for voltage going to the isolation
valve.
Icemaker Removal
1. Remove the ice bucket.
2. Remove the icemaker access cover.
3. Remove two 1/4-in. hex-head screws.
4. Disconnect the icemaker harness connector.
The icemaker ll tube is not removable. The
tube is foamed into the dispenser door (left
door). Should the tube be damaged or need to
be replaced, the dispenser door will need to be
replaced.
Fill Tube
Fill Tube Heater
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