Maintenance and Service

Troubleshooting Tips! Save time and money!

The air conditioner may be operating abnormally when:

Problem

 

Possible Causes

 

What To Do

 

 

 

 

 

 

 

 

 

 

Air conditioner does not start

The air conditioner is

• Make sure the air conditioner plug is

unplugged.

pushed completely into the outlet.

The fuse is blown/circuit

• Check the house fuse/circuit breaker box

breaker is tripped.

and replace the fuse or reset the breaker.

Power failure.

• If power failure occurs, turn the mode

 

control to OFF.

 

When power is restored, wait 3 minutes to

 

restart the air conditioner to prevent

 

tripping of the compressor overload.

High or low voltage.

• If the voltage is unusually very high or low

 

the circuit Breaker will trip.

ENGLISH

Airflow is restricted.

• Make sure there are no curtains, blinds, or

furniture blocking the front of the air

 

 

conditioner.

Air conditioner does not cool as it should

The air filter is dirty.

• Clean the filter at least every 2 weeks.

See the Maintenance and Service section.

 

The room may have been hot. • When the air conditioner is first turned on, you need to allow time for the room to cool down.

Cold air is escaping.

• Check for open furnace floor registers and

 

cold air returns.

Check the temperature settings. • Make sure they are correct.

There might be any heating

• Check and remove such source or turn it

source in the room.

off while using the air conditioner.

Call the service immediately in the following situations

1.Anything abnormal such as burning smell, loud noise etc. happen. Stop the unit and turn the breaker off. Never try to repair by yourself or restart the system in such cases.

2.Main power cord is too hot or damaged.

3.Error code is generated by self diagnosis.

4.Water leaks from indoor unit even if the humidity is low.

5.Any switch, breaker (safety, earth) or fuse fails to work properly

User must carry routine checkup & cleaning to avoid unit’s poor performance. In case of special situation, the job must be carried out by service person only.

Owner's Manual 21

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LG Electronics LSN Troubleshooting Tips! Save time and money, Call the service immediately in the following situations

LSU-HSV2, HV2, LSN specifications

LG Electronics has consistently been at the forefront of innovation in the HVAC (heating, ventilation, and air conditioning) industry. Among its notable offerings is the LSN, HV2, LSU-HSV2 series, which exemplifies superior technology combined with energy efficiency. This series is designed to meet the diverse needs of residential and commercial applications, providing optimal comfort and convenience.

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