CONDITION | CAUSE | REMEDY |
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5. Noisy operating | Fan | If cracked, out of balance, or partially |
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| missing, replace it |
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| Some material plunged and rattle. | Remove it. |
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| Tube hits frame. | Adjust tubing routine carefully. |
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| Fan blade hits frame | Check Motor Mount. If loose, tighten it. |
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| Internal compressor noise. | Replace compressor. |
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| Loose set screws | Tighten them. |
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| Worn bearings of Motor Assembly | If knocking sounds continue when running |
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| or loose, replace the motor. If the motor |
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| hums or noise appears to be internal while |
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| running, replace motor assembly. |
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6. Water drips | The bucket is not installed properly. | The bucket should be properly positioned |
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| on the hangers of the drain pan. |
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| Connection may be loose. | Check connection and repair. |
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| Leak in bucket | Replace bucket. |
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| Water drips when bucket removed for | Before removing bucket, the unit should |
| emptying. | be turned off. |
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| Bucket overflows. | Check micro switch and float. |
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7. Compressor cycles on overload | High or low line voltage. (115V ± 10%) | Check line voltage. It must be between |
protector. (O.L.P.) |
| 103.5V and 126.5V volts. |
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| If intermittent, provide new supply. |
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| Poor air circulation. | Move dehumidifier for free and |
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| unobstructed air flow. |
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| Heat Exchange clogged with dust or dirt. | Clean dust or dirt on the Heat Exchange. |
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| Motor | If not running, determine the cause. |
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| Replace if required. |
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| Bad P.T.C. assembly (if assembled) | Check P.T.C., Repair. |
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| Short circuit or ground in electrical circuit | Check electrical circuit. Repair. |
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| Unit pressures not equalized | Allow 2 or 3 minutes for pressure to |
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| equalize before starting compressor. |
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| Capacitor | Test the capacitor. |
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| Wiring | Check the terminals. If loose, repair or |
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| replace. |
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| Refrigeration system | Check the system for a restriction. |
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| Stuck compressor | Check compressor, replace compressor |
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| Overload protector (O.L.P.) | Check O.L.P., if externally mounted. |
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| Replace if open. (If the compressor |
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| temperature is high, remove the O.L.P., |
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| cool, and retest.) |
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Page 19
Image 19
