LG 230/208V Service-Handbuch - Seite 30

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COMPLAINT

Compressor will not run,

but fan motor runs.

ROOM AIR CONDITIONER VOLTAGE LIMITS

NAME PLATE RATING

208/230V

CAUSE

Voltage

Wiring

Rotary

Thermostat

Capacitor (Discharge

capacitor before

servicing.)

Compressor

Overload

—30—

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.)

MINIMUM

187V

REMEDY

MAXIMUM

253V