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SYMPTOM
Unit doesn't run
1. No power to unit
2. Temperature control turned off
3. Temperature control faulty
4. Compressor overheated
5. Condenser fan faulty
6. Overload protector faulty
7. Compressor relay faulty
8. Defrost timer faulty
9. Compressor faulty
Unit short cycles
1. Condenser coil dirty
2. Condenser fan faulty
3. Compressor faulty
4. Overload repeatedly tripping
Unit runs constantly
1. Frost build-up
2. Drawer not sealing properly
3. Drawer gasket damaged
4. Condenser coil dirty
5. Condenser fan faulty
1. Temperature control set too
Unit not cold enough
high
2. Temperature control faulty
3. Condenser coil dirty
4. Drawer not sealing properly
5. Drawer gasket damaged
6. Evaporator fan faulty
7. Evaporator iced up
8. Refrigerant leaking or
contaminated
Unit too cold
1. Temperature control set too low
2. Temperature control faulty
Unit doesn't defrost
1. Defrost heater faulty
2. Defrost thermodisc faulty
3. Defrost timer faulty
Moisture around
1. Breaker strips faulty
14
800-621-8560
Trouble Shooting Guide
POSSIBLE CAUSE
PROCEDURE
1. Plug in unit
2. Check temperature control
3. Test temperature control
4. Clean condenser coil
5. Service condenser fan
6. Test overload
7. Test relay
8. Test defrost timer
9. Call for service at 800-621-8561
1. Clean coil
2. Service fan and motor.
3. Call for service at 800-621-8561
4. Check outlet voltage
1. Defrost evaporator
2. Check drawer seal
3. Replace drawer gasket
4. Clean coil
5. Service condenser motor
1. Adjust control to lower setting
2. Test control
3. Clean coil
4. Check drawer seal
5. Replace drawer gasket
6. Service evaporator fan
7. Defrost evaporator, test defrost
heater, test thermodisc, test defrost
timer
8. Call for service at 800-621-8561
1. Adjust control to raise setting
2. Test control
1. Test defrost heater
2. Test thermodisc
3. Test defrost timer
1. Inspect strips
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