Check
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.
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.
The unit operates automatically when power is
resumed after a power failure.
• It is the Auto Restart function of the unit. Operation will be restarted
automatically under the previous operation mode and airfl ow direction
when power is resumed as the operation is not stopped by remote control.
• To cancel the Auto Restart Control, please contact with authorized
distributor.
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.
Use remote control to retrieve error code.
SELECTSELECT
CHECKCHECK ERRORERROR RESETRESET RESETRESET
SET/CANCELSET/CANCEL
POWERFUL / QUIETPOWERFUL / QUIET
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.
4
Turn the unit off and reveal the error code to authorized dealer.
TROUBLESHOOTING TROUBLESHOOTING
• For certain error, you may
restart the unit with limited
operation with 4 beeps
during operation starts.
F566894_EN1.indd 章节2:7F566894_EN1.indd 章节2:7 2009-6-15 10:32:152009-6-15 10:32:15
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