TROUBLESHOOTING
TROUBLESHOOTING
The following symptoms do not indicate malfunction.
The following symptoms do not indicate malfunction.
Symptom
Symptom
Mist emerges from indoor unit.
Water fl owing sound during operation.
The room has a peculiar odour.
Indoor fan stops occasionally during automatic
fan speed setting.
Operation is delayed a few minutes after
restart.
Outdoor unit emits water/steam.
Timer indicator is always on.
Power indicator blinks during operation and
the indoor fan is stopped.
Indoor fan stops occasionally during heating
operation.
Cracking sound during operation.
Inconsistent airfl ow during PATROL operation. • Fan speed is adjusted automatically during patrol operation.
Check the following before calling for servicing.
Check the following before calling for servicing.
Symptom
Symptom
Heating/Cooling operation is not working
effi ciently.
Noisy during operation.
Remote control does not work.
(Display is dim or transmission signal is weak.)
The unit does not work.
The unit does not receive the signal from the
remote control.
PATROL operation does not work.
Patrol sensor or e-ion indicator on the indoor
unit is blinking.
Cause
Cause
• Condensation effect due to cooling process.
• Refrigerant fl ow inside the unit.
• This may due to damp smell emitted by the wall, carpet, furniture or
clothing.
• This helps to remove the surrounding odours.
• The delay is a protection to the unit's compressor.
• Condensation or evaporation occurs on pipes.
• The timer setting repeats daily once set.
• The unit is in defrost mode, and the melted frost is drained from the
outdoor unit.
• To avoid unintended cooling effect.
• Changes of temperature cause the expansion/contraction of the unit.
Select QUIET operation to maintain the airfl ow consistency.
Check
Check
• 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.
• Check if the unit has been installed at an incline.
• Close the front panel properly.
• Insert the batteries correctly.
• Replace weak batteries.
• Check if the circuit breaker is tripped.
• Check if timers have been set.
• Make sure the receiver not obstructed.
• Certain fl uorescent lights may interfere with signal transmitter. Please
consult authorized dealer.
• Press and hold
for 15 seconds until beep sound is heard, press
again.
• Press
or
twice. If the patrol sensor or e-ion indicator still
blinking, please consult authorized dealer.
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