LG LP070CED-Y8 Owner's Manual (English) - Page 24
Complaint, Cause, Remedy
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Maintenance and Service COMPLAINT CAUSE I Grommets I Fan Fan motor noise. I Loose set screw I Worn bearings REMEDY • Check grommets; if worn or missing, replace them. • If cracked, out of balance, or partially missing, replace it. • Tighten it. • If knocking sounds continue when running or loose, replace the motor. If the motor hums or noise appears to be internal while running, replace motor. Compressor will not run, but fan motor runs. I Voltage • Check voltage. See the voltage limits. If not within limits, call an electrician. I Wiring • 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. I Rotary • Check for continuity, refer to the wiring diagram for terminal identification. Replace the switch if circuit is open. I Thermostat • 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. I Capacitor (Discharge • Check the capacitor. capacitor before servicing) Replace if not within ±10% of manufacturer's rating. Replace if shorted, open, or damaged. I Compressor • Check the compressor for open circuit or ground. If open or grounded, replace the compressor. I Overload • Check the compressor overload, if externally mounted. Replace if open. (If the compressor temperature is high, remove the overload, cool it, and retest.) I Pressure Switch • Check continuity of the pressure switch. Replace the pressure switch if circuit is open. 24 Room Air Conditioner