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SymptomSymptom CauseCause
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.
The following symptoms do not indicate malfunction. The following symptoms do not indicate malfunction.
SymptomSymptom CheckCheck
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 authorized dealer.
Check the following before calling for servicing. Check the following before calling for servicing.
TROUBLESHOOTING TROUBLESHOOTING
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