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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.
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.
Check the following before calling for servicing. Check the following before calling for servicing.
TROUBLESHOOTING TROUBLESHOOTING
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