ROOM AIR CONDITIONER VOLTAGE LIMITS
NAME PLATE RATING |
| MINIMUM |
| MAXIMUM |
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115V |
| 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 open. | |
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| Rotary switch | Check switch continuity. Refer to wiring diagram | |||
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| for terminal identification. Replace switch if none | |
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| defective. | |
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| Wire disconnected or | Connect wire. Refer to wiring diagram for terminal | |||
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| connection loose | identification. Repair or replace loose 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. Realign assembly. | |
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| Units using slinger ring condenser fans must | |
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| have 2/9 to 1/4 inch clearance to the base. If it is | |
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| the base, shim up the bottom of the fan | |
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| motor 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. If not within | ||||
intermittently. |
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| limits, call an electrician. | ||
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| Test capacitor. | |
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| Check bearings. Does the fan blade rotate 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, replace | |
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| the motor. | |
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— 21—
