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TROUBLESHOOTING TIPS
Troubleshooting Tips
Malfunctions
Unit does not
start
Unit not cooling
or heating 
(Cooling/ heating
 models only)
room very well
while air flowing
out from the air
conditioner
Cause
Power cut
Unit may have become Unplugged.
Fuse may have blown.
Battery in Remote controller may
have been exhausted.
The time you have set with timer
is incorrect.
Wait for power to be restored.
Check that plug is securely in wall
receptacle.
Replace the fuse.
Replace the battery.
Wait or cancel timer setting.
Set temperature correctly. For 
detailed method please refer to 
"Using remote control" section.
Clean the air filter.
Close the doors or windows.
Clear obstructions away first, then
restart the unit.
Wait.
Inappropriate temperature
setting.
Air filter is blocked.
Doors or Windows are open.
Air inlet or outlet of indoor or
outdoor unit has been blocked.
Compressor 3 or 4 minutes 
protection has been activated.
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.
Notes: Do not attempt to repair the unit yourself. 
            Always consult an authorized service provider.
What should be done?
8. Dripping water may generate on the surface of the indoor unit when cooling in a high 
    relatively humidity (relative humidity higher than 80%). Adjust the horizontal louver to
    the maximum air outlet position and select HIGH fan speed.
9. Heating mode (For cooling and heating models only)
    The air conditioner draws in heat from the outdoor unit and releases it via the indoor unit
    during heating operation. When the outdoor temperature falls, heat drawn in by the air 
    conditioner decreases accordingly. At the same time, heat loading of the air conditioner 
    increases due to larger difference between indoor and outdoor temperature. If a 
    comfortable temperature can't be achieved by the air conditioner, we suggest you use a 
    supplementary heating device.
10. Auto-restart function 
    Power failure during operation will stop the unit completely.
    For the unit without Auto-restart feature, when the power restores, the OPERATION indicator
    on the indoor unit starts flashing. To restart the operation, push the ON/OFF button on the 
     remote controller. For the unit with Auto-restart feature, when the power restores, the unit
     restarts automatically with all the previous settings preserved by the memory function.
11. Lightning or a car wireless telephone operating nearby may cause the unit to malfunction.
      Disconnect the unit with power and then re-connect the unit with power again. Push the 
      ON/OFF button on the remote controller to restart operation.
OPERATION TIPS
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Stop the air conditioner immediately if one of the following faults occur. Disconnect the
power and contact the nearest customer service center.
Fuse blows frequently or circuit breaker trips frequently.
Other objects or water fall into the air conditioner.
The remote controller won't work or works abnormally.
Trouble
OPERATION indicator or other indicators continue flashing and this flash can't be fixed 
by disconnecting the power, and then connect  it in again.
If one of the following code appears on the display area : 
E0,E1,E2,E3.....or P0,P1,P2,P3......