NOTE :
Symptom Check
Heating/Cooling operation is not working
efciently.
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the 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 uorescent lights may interfere with signal transmitter. Please
consult your nearest dealer.
Symptom Cause
Mist emerges from indoor unit. • Condensation effect due to cooling process.
Water owing sound during operation. • Refrigerant 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 airow 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.
Check the following before calling for servicing.
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
• Checking of remote control batteries.
• No obstruction at air inlet and air outlet vents.
• After 15 minutes of operation, it is normal to have the
following temperature difference between air inlet and air
outlet vents:
Cooling: ≥ 8°C Heating: ≥ 14°C
NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY AND UNPLUG then CALL
Authorized Distributor under the following conditions:
• Abnormal noise during operation.
• Water/foreign particles have entered the remote control.
• Water leaks from Indoor unit.
• Circuit breaker switches off frequently.
• Power cord becomes unnaturally warm.
• Switches or buttons are not functioning properly.
• The timer indicator blinks and the unit can not be operated.
FOR EXTENDED NON-USE
• Activate heat mode for 2~3 hours to thoroughly dry the unit.
• Turn off the power supply and unplug.
• Remove the remote control batteries.
To Next Page
Loading...
