Service Manual

13
Evaporator Frozen Up - Possible Cause
1. Evaporator a) Dirty.
2. Evaporator Fan Motor a) Fan blades binding.
b) Defective.
3. Controller a) Defective.
4. Compressor Relay (ptc) a) Defective.
5. Refrigerant Charge/Refrigerant
Lines
a) Low.
b) Component restriction (cap tube or drier).
Refrigerator Defrost Fails to Initiate - Possible Cause
1. Controller (6-hrs. defrost timer) a) Defective.
d. Evaporator Frozen Up
e. Defrost
b) Too Much Cooling
Too much cooling - Possible Cause
1. Cabinet Thermistor a) Defective.
c) Extreme Condensation
Extreme condensation - Possible Cause
1. Cabinet Thermistor a) Loose.
b) Installed improperly.
2. Door a) Do not shut completly (Defective gasket or hinges not
adjusted).
3. Location a) Inadequate location.
4. Environment a) High relative humidity (Over 75%).
No illumination - Possible Cause
1. LED & Evaporator Fan Motor Switch a) “OFF” position.
b) Open contact.
c) Defective.
2. Controller a) Controller program.
f. No Illumination