Troubleshooting - LG MW121C4 NHM0 Owner's Manual

TROUBLESHOOTING

The following cases may not always be a malfunction, please check it before asking for service.
Trouble
Does not run
No cooling or heating
air
Ineffective control
Does not operate
immediately
Peculiar odor
A sound of flowing
water
Cracking sound is
heard
Spray mist from the
outlet
The compressor
indicator (red) lights on
constantly, and indoor
fan stops.
Model
MW121C4 NHM0, UHM0
MW122C4 NHM0, UHM0
MW182C4 NHM0, UHM0
MW242C4 NHM0, UHM0
MW121H4 NHM0, UHM0
MW122H4 NHM0, UHM0
MW182H4 NHM0, UHM0
MW242H4 NHM0, UHM0
26
• If the protector trip or fuse is blown.
• Please wait for 3 minutes and start again, protector device may be
preventing unit to work.
• If batteries in the remote controller exhausted.
• If the plug is not properly plugged.
• Is the air filter dirty?
• Are the intakes and outlets of the air conditioner blocked?
• Is the temperature set properly?
• If strong interference(from excessive static electricity discharge, power
supply voltage abnormality)presents, operation will be abnormal. At this
time, disconnect from the power supply and connect back 2 - 3 seconds
later.
• Changing mode during operation, 3 minutes will delay.
• This odor may come from another source such as furniture, cigarette etc,
which issucked in the unit and blows out with the air.
• Caused by the flow of refrigerant in the air conditioner, not a trouble.
• Defrosting sound in heating mode.
• The sound may be generated by the expansion or contraction of the front
panel due to change of temperature.
• Mist appears when the room air becomes very cold because of cool air
discharged from indoor unit during COOLING or DRY operation mode.
• The unit is shifting from heating mode to defrost. The indicator will lights off
within ten minutes andreturns to heating mode.
Voltage Frequency
115 V ~ 60 Hz
230 V ~ 60 Hz
230 V ~ 60 Hz
230 V ~ 60 Hz
115 V ~ 60 Hz
230 V ~ 60 Hz
230 V ~ 60 Hz
230 V ~ 60 Hz
Analysis
Cooling
Power Current
NOR. 1,040 W NOR. 9.40 A
MAX. 1,380 W MAX. 14.50 A
NOR. 1,040 W NOR. 4.80 A
MAX. 1,400 W MAX. 7.50 A
NOR. 1,555 W NOR. 6.90 A
MAX. 2,100 W MAX. 11.00 A
NOR. 2,015 W NOR. 9.10 A
MAX. 2,700 W MAX. 15.00 A
NOR. 1,040 W NOR. 9.30 A
MAX. 1,500 W MAX. 15.50 A
NOR. 1,000 W NOR. 4.50 A
MAX. 1,380 W MAX. 7.40 A
NOR. 1,555 W NOR. 6.90 A
MAX. 2,100 W MAX. 11.00 A
NOR. 2,015 W NOR. 9.10 A
MAX. 2,700 W MAX. 15.00 A
Heating
Power Current
- -
- -
- -
- -
NOR. 960 W NOR. 8.60 A
MAX. 1,500 W MAX. 15.50 A
NOR. 950 W NOR. 4.20 A
MAX. 1,380 W MAX. 7.40 A
NOR. 1,465 W NOR. 6.50 A
MAX. 2,100 W MAX. 11.00 A
NOR. 2,015 W NOR. 9.10 A
MAX. 2,700 W MAX. 15.00 A
EN