Common Issues; Issues Common Problems And Solutions - LG LW1004ER, LW1204ER, LW1404ER, LW1804ER Owner's Manual

Common
Issues
Before calling for service, please review the following list of common problems and solutions.
The air conditioner is operating normally when:
• You hear a pinging noise. This is caused by water being picked up by the condenser on rainy days or in highly
humid conditions. This feature is designed to help remove moisture in the air and improve cooling efficiency.
• You hear the thermostat click. This is caused by the compressor cycle starting and stopping.
• You see water dripping from the rear of the unit. Water may be collected in the base pan in highly humid
conditions or on rainy days. This water overflows and drips from the rear of the unit.
• You hear the fan running while the compressor is silent. This is a normal operational feature.
The air conditioner may be operating abnormally when:
Problem Possible Causes
■ The air conditioner is unplugged or
not plugged in completely
■ The fuse is blown/circuit breaker is
The air conditioner
triggered
does not operate
at all
■ Power failure.
■ Air flow is restricted
■ The THERMOSTAT may not be
set cool enough
■ The air filter is dirty.
Air conditioner
does not cool
■ The air conditioner was just
turned on.
■ Cold air is escaping.
■ Cooling coils are iced up
■ The cooling coils are iced over.
Ice appears on the
air conditioner.
❈ You can refer to the Energy Star program in detail at "www.energystar.gov".
Common Problems and Solutions
• Make sure the plug is completely plugged into
• Check the fuse/circuit breaker box and replace
• In the event of a power failure, set the power
• Make sure there are no curtains, blinds,
• Turn the knob to a higher setting. The highest
• Clean the filter at least every 2 weeks. Refer to
• After the air conditioner is turned on, you need
• Check for open furnace floor resisters and cold
• CLOSE the air conditioner vent
• See Ice appears on the air conditioner below
• Ice may block the air flow and obstruct the air
27 27
What To Do
the outlet
the fuse or reset the breaker
control to OFF. When the power is restored,
wait 3 minutes to restart the air conditioner to
prevent the compressor from overloading
furniture or other obstacles in front of the air
conditioner
setting provides maximum cooling
the "Care and Maintenance" section (p.11) of
the manual.
to give the air conditioner some time to cool the
room.
air returns.
conditioner from properly cooling the room. Set
the fan at MED or HIGH while setting the
thermostat at 1 or 2 until the ice melts.