COMPLAINT | CAUSE | REMEDY |
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Compressor will not run, | Voltage | Check voltage. See the limits on the preceding. |
but fan motor runs. |
| page. If not within limits, call an electrician. |
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| Wiring | Check the wire connections, if loose, repair or |
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| replace the terminal. If wires are off, refer to wiring |
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| diagram for identification, and replace. Check wire |
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| locations. If not per wiring diagram, correct. |
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| Rotary | Check for continuity, refer to the wiring diagram |
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| for terminal identification. Replace the switch if |
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| circuit is open. |
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| Thermostat | Check the position of knob If not at the coldest |
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| setting, advance the knob to this setting and |
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| restart unit. |
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| Check continuity of the thermostat. Replace |
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| thermostat if circuit is open. |
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| Capacitor (Discharge | Check the capacitor. |
| capacitor before | |
| Replace if not within ±10% of manufacturers | |
| servicing.) | |
| rating. Replace if shorted, open, or damaged. | |
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| Compressor | Check the compressor for open circuit or |
| ground. If open or grounded, replace the | |
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| compressor. |
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| Overload | Check the compressor overload, if externally |
| mounted. Replace if open. (If the compressor | |
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| temperature is high, remove the overload, cool it, |
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| and retest.) |
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ROOM AIR CONDITIONER VOLTAGE LIMITS
NAME PLATE RATING | MINIMUM | MAXIMUM |
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115V | 103.5V | 126.5V |
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208/230V | 187V | 253V |
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