23
English
The following symptoms do not indicate malfunction.
Symptom
Cause
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.
•
When ON Timer is set, the unit may start earlier before
the actual set time in order to achieve the desired
temperature on time.
TIMER indicator is always on.
•
The timer setting repeats daily once set.
Operation is delayed a few minutes after
restarting.
•
The delay is a protection to the unit’s compressor.
Indoor fan stops occasionally during automatic
fan speed setting.
•
This helps to remove the surrounding odour.
The room has a peculiar odour.
•
This may be due to damp smell emitted by the wall,
carpet, furniture or clothing.
Cracking sound during operation.
•
Changes of temperature caused the expansion/
contraction of the unit.
Water flowing sound during operation.
•
Refrigerant flow inside the unit.
Mist emerges from indoor unit.
•
Condensation effect due to cooling process.
Discoloration of some plastic parts.
•
Discoloration is subject to material types used in plastic
parts, accelerated when exposed to heat, sun light, UV
light or environmental factor.
Check the following before calling for servicing.
Symptom
Check
Operation in COOL mode is not working
efficiently.
•
Set the temperature correctly.
•
Close all doors and windows.
•
Clean or replace the filters.
•
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 is not obstructed.
•
Certain fluorescent lights may interfere with signal
transmitter. Please consult authorised dealer.
Troubleshooting
Cleaning instructions /
Troubleshooting
ACXF55-21800_FC1806-00_PS ��.indb 23
2019/4/24 10:07:46
