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NOTE : NOTE :
SymptomSymptom CheckCheck
Heating/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.
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.
Power indicator blinks during operation and
the indoor fan is stopped.
• The unit is in defrost mode, and the melted frost is drained from the
outdoor unit.
Indoor fan stops occasionally during heating
operation.
• To avoid unintended cooling effect.
Power indicator blinks before the unit is
switched on.
• This is a preliminary step in preparation for the operation when the ON
timer has been 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.
The unit stops and the timer indicator blinks.The unit stops and the timer indicator blinks.
1
Press for 5
seconds.
3
Press for 5
seconds to quit
checking.
2
Press until you hear
beep sound, then jot
down the error code.
• Turn the unit off and reveal the error code to your nearest dealer.
TROUBLESHOOTING TROUBLESHOOTING
• The unit may be operable
(with 4 beeps) on a limited
basis, depending on the
error.
FOR SEASONAL INSPECTION AFTER EXTENDED
NON-USE
NON SERVICEABLE CRITERIAS
FOR EXTENDED NON-USE
F565726.indd 7F565726.indd 7 6/7/2007 12:26:17 PM6/7/2007 12:26:17 PM