9. TROUBLE - SHOOTING
9-1. Compressor does not run at all (Does not cool at all)
Cause | What to be checked | Correction |
Temperature control set to position "OFF" | Check control knob setting | Turn the control to "COLD"(MAX) position. |
Erroneous plug cord inserting | Check plug cord inserting | Insert plug cord into outlet correctly. |
Fault relay assembly. | Check conduction of overload relay. | Replace if overload relay is not conductive. |
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9-2. Compressor does not run normally
Cause | What to be checked | Correction | ||
Source power voltage | Check power voltage is within |
| +10% | If voltage is below rated value, contact |
| of rating. | utility company. | ||
Starting voltage | Check starting voltage. | If starting voltage drops below - 10% of | ||
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| rating, contact utility company and have |
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| household wiring capacity increased. |
9-3. Compressor runs normally but inside temprature does not drop at all.
Cause | What to be checked |
| Correction |
Faulty | After continuing operation for | over | Replace |
| 20minutes, let a drop of water fall | onto |
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| evaporator and see if it becomes frozen. |
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Cause | What to be checked | Correction |
Erroneous temperature control setting. | Check control knob setting. | Set control to "COLD" and continue |
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| operation for over 20 minutes. If |
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| temperature fails to drop, do following. |
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Faulty thermostat | Replace thermostat. | |
| continue operation for over 20minutes . | (If thermostat is not faulty, compressor- |
| If temperature drops, thermostat is faulty. | evaporator unti is in trouble). |
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Gaps between door and cabinet. | Check for gaps between door packing | Loosen door panle screws and correct |
| and cabinet. | distortion of door. |
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Frosting on evaporator. | Check for excessive frosting on | Defrost before frost grows more than |
| evaporator. ( This will deteriorate | 10mm thick. |
| refrigerating efficiency ). |
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