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ENGLISH

Symptom

Symptom

Check

Check

Cooling operation is not working effi ciently.

•  Set the temperature correctly.

•  Close all doors and windows.

•  Clean or replace the fi lters.

•  Clear any obstruction at the air inlet and air outlet vents.

Noisy during operation.

•  Check if the unit has been installed at an incline.

•  Close the front panel properly.

Remote control does not work.

(Display is dim or transmission signal is weak.)

•  Insert the batteries correctly.

•  Replace weak batteries.

The unit does not work.

•  Check if the circuit breaker is tripped.

•  Check if timers have been set.

The unit does not receive the signal from the 

remote control.

•  Make sure the receiver not obstructed.

• Certain fl uorescent lights may interfere with signal transmitter. Please 

consult your nearest dealer.

Patrol sensor or e-ion indicator on the indoor 

unit is blinking.

• Press 

 or 

 twice. If the patrol sensor or e-ion indicator still 

blinking, please consult your nearest dealer.

Symptom

Symptom

Cause

Cause

Mist emerges from indoor unit.

•  Condensation effect due to cooling process.

Water fl owing sound during operation.

•  Refrigerant fl ow inside the unit.

The room has a peculiar odour.

•  This may due to damp smell emitted by the wall, carpet, furniture or 

clothing.

Indoor fan stops occasionally during automatic 

fan speed setting.

•  This helps to remove the surrounding odours.

Operation is delayed a few minutes after 

restart.

•  The delay is a protection to the unit’s compressor.

Outdoor unit emits water/steam.

•  Condensation or evaporation occurs on pipes.

Timer indicator is always on.

•  The timer setting repeats daily once set.

Cracking sound during operation. 

•  Changes of temperature cause the expansion/contraction of the unit.

Inconsistent airfl ow during PATROL operation. •  Fan speed is adjusted automatically during patrol operation.

  Select QUIET operation to maintain the airfl ow consistency.

  The following symptoms do not indicate malfunction.

  The following symptoms do not indicate malfunction.

  Check the following before calling for servicing.

  Check the following before calling for servicing.

   TROUBLESHOOTING

 TROUBLESHOOTING