Unit Not Cooling - Possible Cause
11. | Compressor Overload | a) Dirty condenser. |
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| b) Condenser fan not operating. |
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| c) Defective. |
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12. | Compressor | a) Defective. |
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13. | Condenser | a) Dirty. |
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14. | Evaporator | a) Clogged or frozen. |
| See "2. Evaporator is Frozen Up." |
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15. | Refrigerant/Refrigerant Lines | a) Gas leak. |
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| b) Refrigerant lines restricted. |
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2. Evaporator is Frozen Up
Evaporator is Frozen Up - Possible Cause
1. | Evaporator | a) Dirty. |
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2. | Evaporator Fan | a) Not operating. |
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3. | Defrost Thermistor | a) Out of position or defective. |
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4. | Control Module | a) Defective. |
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5. | Refrigerant Charge | a) Low. |
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6. | Defrost Heater (freezer) | a) Defective. |
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7. | Defrost Thermostat Open (freezer) | a) Defective. |
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3. Defrost Fails to Terminate
Defrost Fails to Terminate - Possible Cause
1. | Defrost Thermistor | a) Out of position or defective. |
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2. | Control Module | a) Defective. |
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