PROBLEM POSSIBLE CAUSE TEST PROCEDURE-ACTION
Freezer compartment Thermostat:
too cold a. Set too cold Turn knob to warmer position
b. Sensing tube not properly See that sensing tube is properly
positioned positioned.
c. Out of calibration or not Check thermostat for cut-in and cut-out
functioning temperatures. Replace if necessary.
Refrigerator compart- Motorized Air Door: Check for a motor winding resistance of
ment too cold
a. Baffle open 8800 ohms between the BK/Y and W
Wires. If the meter reading shows “open”
for both BK/Y and Y/R wires, replace
Motor.
b. Baffle is stuck open Check for iced door. Remove ice and
Eliminate moisture entering due to air
leak.
Electronic control board:
a. Set too cold Turn knob to warmer position.
b. Baffle stick open Check for 120 volts between the OR/W
and W wires at the circuit board plug.
NOTE: Use static control gloves when
handling control board.
Thermistor:
a. Sends wrong or high Check resistance for given temperature
resistance signal to at GY wires. An open or infinite
control resistance reading closes the door.
Replace the thermistor.
External Sweating Freezer heater inoperative Check heater with ohmmeter
Mullion heat loop restricted Check sealed system for restriction.
Bad door seal or door not Adjust door for proper seal.
closing
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