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The following symptoms do not indicate malfunction.
Symptom 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 odour.
Operation is delayed a few minutes after
restarting.
• 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.
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 caused the expansion/
contraction of the unit.
2 or more human activity indicator turns on
simultaneously.
• Judgement of heat source and movement area in
progress.
Check the following before calling for servicing.
Symptom Check
Operation in COOL mode 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 is not obstructed.
• Certain fl uorescent lights may interfere with signal
transmitter. Please consult authorised dealer.
Troubleshooting
NON SERVICEABLE CRITERIAS
TURN OFF POWER SUPPLY AND
UNPLUG then please consult authorised
dealer 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 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
TIMER
S
ET
C
AN
C
E
L
ON
O
FF
1
3
S
ET CL
O
C
K
R
E
S
ET
AC
RC
Press for
5 seconds
Press for
5 seconds
to quit
checking
Press until you
hear beep sound,
then write down
the error code
Turn the unit off
and reveal the
error code to
authorised dealer
21
3
4
•
For certain errors, you may restart the unit for limited
operation with 4 beeps when operation starts.
Cleaning instructions / Troubleshooting
F568980_YA0113-1_EN.indd 21F568980_YA0113-1_EN.indd 21 1/17/2013 10:10:12 AM1/17/2013 10:10:12 AM