LG Electronics LT1230H, LT0810C Maintenance and Service, Normal Operation, Troubleshooting

Operating Instructions

Maintenance and Service

Troubleshooting Tips Save time and money!

Review the chart below first and you may not need to call for service.

NormalOperation

•You may hear a pinging noise caused by water being picked up and thrown against the condenser on rainy days or when the humidity is high. This design feature helps remove moisture and improve efficiency.

•You may hear the thermostat click when the compressor cycles on and off.

•Water will collect in the base pan during high humidity or on rainy days. The water may overflow and drip from the outdoor side of the unit.

•The fan may run even when the compressor does not.

Troubleshooting

Problem	Possible Causes
	■ The air conditioner is
	unplugged.
Air conditioner	■ The fuse is blown/circuit
	breaker is tripped.
does not start
	■ Power failure.
	■ Airflow is restricted.
	■ The THERMOSTAT may
	not be set high enough.
Air conditioner	■ The air filter is dirty.
does not cool as it
should	■ The room may have been
	hot.
	■ Cold air is escaping.
	■ Cooling coils have iced up.
Air conditioner	■ Ice blocks the air flow and
freezing up	stops the air conditioner
	from cooling the room.

22Room Air Conditioner

What To Do
• Make sure the air conditioner plug is pushed	7822
completely into the outlet.
• Check the house fuse/circuit breaker box and
replace the fuse or reset the breaker.
• If power failure occurs, turn the mode control to	-
	454
OFF.
When power is restored, wait 3 minutes to restart
the air conditioner to prevent tripping of the	(877)
• Make sure there are no curtains, blinds, or furniture
blocking the front of the air conditioner.
• Turn the knob to a higher number. The highest
setting provides maximum cooling.	SALES
• Clean the filter at least every 2 weeks.
See the operating instructions section.
• When the air conditioner is first turned on,
you need to allow time for the room to cool down.
• Check for open furnace floor registers	DIRECTPTAC
and cold air returns.
• Set the air conditioner's vent to the closed position.
• See Air Conditioner Freezing Up below.
• Set the mode control at Med Fan or High Cool with
the thermostat at 1 or 2.