Troubleshooting Guide
ROOM AIR CONDITIONER VOLTAGE LIMITS
NAME PLATE RATING | MINIMUM |
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115V ± 10% | 103.5V |
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| 126.5V |
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COMPLAINT |
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| REMEDY | ||
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Fan motor will not run. |
| No power |
| Check voltage at outlet. Correct if none. | |||
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| Wire disconnected or |
| Connect wire. Refer to wiring diagram for | |||
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| connection loose |
| terminal identification. Repair or replace loose | |||
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| terminal. | ||
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| Capacitor (Discharge |
| Test capacitor. | |||
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| capacitor before testing.) |
| Replace if not within ±10% of manufacturer's | |||
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| rating. Replace if shorted, open, or damaged. | ||
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| Will not rotate |
| Fan blade hitting shroud or blower wheel hitting | |||
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| scroll. | ||
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| Units using slinger ring condenser fans must | ||
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| have 0.22~0.25 inch clearance to the base. | ||
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| If necessary, shim up the bottom of the fan motor | ||
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| with mounting screw(s). | ||
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| Check fan motor bearings; if motor shaft will not | ||
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| rotate, replace the motor. | ||
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Fan motor runs. |
| Revolves on overload |
| Check voltage. See limits on this page. | |||
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| If not within limits, call an electrician. | ||
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| Test capacitor. | ||
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| Check bearings. Does the fan blade rotate | ||
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| freely? | ||
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| If not, replace fan motor. | ||
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| Pay attention to any change from high speed to | ||
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| low speed. If the speed does not change, | ||
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| replace the motor. | ||
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23Room Air Conditioner