Troubleshooting

25 ENGLISH
15. TROUBLESHOOTING
Trouble
OPERATION (RUN) indicator
or other indicators continue
flashing.
The unit may stop operation
or continue to run in a safety
condition(depending on models).
Waiting for about 10 minutes,
the fault may be recovered
automatically, if not, disconnect the
power and then connect it in again.
If the problem still exists, disconnect
the power and contact the nearest
customer service center.
If one of the following code
appears on the display area:
C5, F0, F1, F2, E1, E5, E8,
H3, H6 or U8
Fuse blows frequently or circuit
breaker trips frequently.
Stop the air conditioner immediately,
disconnect the power and contact
the nearest customer service center.
Other objects or water fall into
the air conditioner.
Terrible odors are smelled or
abnormal sounds are heard.
H1 code appears on the
display area.
It is normal. The unit is in defrosting
operation and heating will
recommence soon.
AL code appears on the
display area.
It is normal. The unit is in X-fan
operation.
Malfunctions Cause What should be done?
Unit does not
start
Power cut Wait for power to be restored.
Unit may have become
Unplugged.
Check that plug is securely in wall
receptacle.
Fuse may have blown. Replace the fuse.
Battery in Remote controller
may have been exhausted.
Replace the battery.
The time you have set with
timer is incorrect.
Wait or cancel timer setting.
Unit not
cooling or
heating
(Cooling/
heating
models only)
room very
well while air
flowing out
from the air
conditioner
Inappropriate temperature
setting.
Set temperature correctly. For
detailed method please refer to
“Using remote control” section.
Air lter is blocked. Clean the air lter.
Doors or Windows are open. Close the doors or windows.
Air inlet or outlet of indoor
or outdoor unit has been
blocked.
Clear obstructions away rst, then
restart the unit.
Compressor 3 minutes
protection has been activated.
Wait
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 number. Do not attempt to repair the unit yourself. Always consult an authorized
service provider.