Randell CR9039 Operator's Manual page 14

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. Compressor faulty
Unit short cycles 1. Condenser coil dirty
2. Condenser fan faulty
3. Compressor faulty
4. Overload repeatedly tripping
Unit runs constantly 1. Condenser coil dirty
2. Condenser fan faulty
3. Covers off unit
1. Temperature control set too
Unit too cold low
2. Temperature control faulty
1. Compressor mountings loose
Unit noisy or hardened.
2. Condenser fan damaged or
hitting fan shroud
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14 14
Trouble Shooting Guide
POSSIBLE CAUSE PROCEDURE
1. Plug in unit (check power switch)
2. Check temperature control
3. Test temperature control
4. Clean condenser coil
5. Service condenser fan
6. Test overload
7. Test relay
8. Call ASA for service
1. Clean coil
2. Service fan and motor.
3. Call ASA for service
4. Check outlet voltage
1. Clean coil
2. Service condenser motor
3. Re-apply covers
1. Adjust control to raise setting
2. Test control
1. Tighten or replace compressor
mountings
2. Inspect condenser fan