LG BG-101A Service Manual - Page 24
Room Air Conditioner Voltage Limits
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COMPLAINT Compressor will not run, but fan motor runs. CAUSE Voltage Wiring Rotary Thermostat Capacitor (Discharge capacitor before servicing.) Compressor Overload REMEDY Check voltage. See the limits on the preceding. page. If not within limits, call an electrician. Check the wire connections, if loose, repair or replace the terminal. If wires are off, refer to wiring diagram for identification, and replace. Check wire locations. If not per wiring diagram, correct. Check for continuity, refer to the wiring diagram for terminal identification. Replace the switch if circuit is open. Check the position of knob If not at the coldest setting, advance the knob to this setting and restart unit. Check continuity of the thermostat. Replace thermostat if circuit is open. Check the capacitor. Replace if not within ±10% of manufacturers rating. Replace if shorted, open, or damaged. Check the compressor for open circuit or ground. If open or grounded, replace the compressor. Check the compressor overload, if externally mounted. Replace if open. (If the compressor temperature is high, remove the overload, cool it, and retest.) ROOM AIR CONDITIONER VOLTAGE LIMITS NAME PLATE RATING MINIMUM 115V 103.5V 208/230V 187V MAXIMUM 126.5V 253V -24-