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Step
Component Tested
01
Freezer Thermistor.
02
Refrigerator Thermistor.
03
Evaporator Fan Motor.
0 4
Condenser Fan Motor.
05
Compressor.
06
Air Door.
Bimetal/Defrost Heater.
07
Press the "Water Filter Reset" to exit diagnostics.
* Displayed on the Water Filter Indicator LED.
** The air door will close at step 01, and reset to the correct opening after exiting diagnostics.
†
The bimetal may be bypassed with an insulated jumper.
1. Open the refrigerator door.
2. Depress the refrigerator light switch.
3. Place a container under the water spout.
4. Activate the water dispenser.
5. Read the WFI display. Yellow indicates a
normal input.
Result*
Green
Thermistor is within normal range.
Red
Thermistor is open or less than –20°F.
Red
Thermistor is shorted or greater than 115°F.
Green
Thermistor is within normal range.
Red
Thermistor is open or less than 10°F.
Red
Thermistor is shorted or greater than 115°F.
Green
Evaporator Fan Motor is On at correct speed.
Red
Evaporator Fan Motor is On at incorrect speed.
Green
Condenser Fan Motor is On.
Green
Compressor is On at 4500 rpm.
Red
Compressor is Off waiting for minimum (7 minute) Off delay.
Green
Air Door fully opens.**
Green
Defrost Heater is energized, bimetal closed.
†
Red
Bimetal open.
1. Open the refrigerator door.
2. Depress the refrigerator light switch.
3. Activate the ice maker and wait for a water
fill.
4. Read the WFI display during the fill. Red
indicates a normal input.
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