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 be 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.
Airfl ow continues even after operation has stopped. ► • Extraction of remaining heat from the indoor unit
(maximum 30 seconds).
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.
During deice operation, louver is closed. ► • The AIR SWING is set to AUTO.
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.
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 authorized dealer.
Patrol sensor or e-ion indicator on the indoor unit is
blinking.
► • Stop Patrol or e-ion operation then restart. If the patrol
sensor or e-ion indicator still blinking, please consult
authorized dealer.
PATROL operation does not work. ►
• Press and hold
for 15 seconds until beep sound is
heard, press again.
The unit stops and the timer indicator blinks.
Use remote control to retrieve error code.
TIMER
SET
CANCEL
ON
OFF
1
2
3
SET CHECK CLOCK RESET
AC
RC
1
Press for 5
seconds.
3
Press for 5
seconds to
quit checking.
2
Press until you hear
beep sound, then
write down the error
code.
Note:
• For certain errors, you
may restart the unit for
limited operation with 4
beeps during operation
starts.
4
Turn the unit off and reveal the error code to authorized dealer.
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