13
TROUBLESHOOTING TIPS
TROUBLESHOOTING
Stop the air conditioner immediately if one of the following faults occurs.
Disconnect the power and contact the nearest customer service center.
Trouble
OPERATION indicator or other indicators flash rapidly (5 times
every second) and this flash can't be fixed by disconnecting the
power, and then connect it in again.
Fuse blows frequently or circuit breaker trips frequently.
The remote controller won't work or works abnormally.
If one of the following codes appears on the display area:
E1, E2, E3, E4, P1
TROUBLES
POSSIBLE CAUSES
SUGGEST REMEDIES
Unit does not
Start when
Pressing
on/off
Button
P1 appears in the display window
Drain the water in the
bottom tray.
Room temperature is lower than
the set temperature.(Cooling mode)
Reset the temperature.
Not cool
enough
The windows or doors in the room are
not closed.
Make sure all the
windows and doors are
closed.
There are heat sources inside the
room.
Remove the heat sources
if possible.
Exhaust air duct is not connected or
blocked.
Connect the duct and
make sure it can function
properly.
Temperature setting is too high.
Decrease the set
temperature.
Air filter is blocked by dust.
Clean the air filter.
Noisy or
vibration
The ground is not level or not flat
enough.
Place the unit on a flat,
level ground if possible.
Gurgling
sound
The sound comes from the flowing of
the refrigerant inside the air-
conditioner.
It is normal.
If the trouble has not been corrected, please contact a local dealer or the nearest
customer service center. Be sure to inform them of the detailed malfunctions and
unit model.
Notes: Do not attempt to repair the unit yourself. Always consult
an authorized service provider.
