ROOM AIR CONDITIONER VOLTAGE LIMITS
NAME PLATE RATING | MINIMUM | MAXIMUM |
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115V ± 10% | 103.5V | 126.5V |
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COMPLAINT | CAUSE | REMEDY | |
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Fan motor will not run. | No power | Check voltage at outlet. Correct if none. | |
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| Power supply cord | Check voltage to rotary switch. If none, check | |
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| power supply cord. Replace cord if circuit is | |
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| open. | |
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| Rotary switch | Check switch continuity. Refer to wiring diagram | |
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| for terminal identification. Replace switch if | |
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| defective. | |
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| Wire disconnected or | Connect wire. Refer to wiring diagram for | |
| connection loose | terminal identification. Repair or replace loose | |
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| terminal. | |
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| Capacitor (Discharge | Test capacitor. | |
| 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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