Panasonic CUHE9PKE Operating Guide
10
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 odor.
• This may be due to damp smell emitted by the wall,
carpet, furniture or clothing.
Indoor fan stops occasionally during automatic
fan speed setting.
fan speed setting.
• This helps to remove the surrounding odours.
Airfl ow continues even after operation has
stopped.
stopped.
• Extraction of remaining heat from the indoor unit
(maximum 30 seconds).
Operation is delayed a few minutes after
restarting.
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.
During deice operation, louver is closed.
• The AIR SWING is set to AUTO.
Indoor fan stops occasionally during heating
operation.
operation.
• To avoid unintended cooling effect.
POWER indicator blinks before the unit is
switched on.
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.
Check the following before calling for servicing.
Symptom
Check
Operation in HEAT/COOL mode is not working
effi ciently.
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.
• 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.
• Close the front panel properly.
Remote control does not work.
(Display is dim or transmission signal is weak.)
(Display is dim or transmission signal is weak.)
• Insert the batteries correctly.
• Replace weak batteries.
• Replace weak batteries.
The unit does not work.
• Check if the circuit breaker is tripped.
• Check if timers have been set.
• Check if timers have been set.
The unit does not receive the signal from the
remote control.
remote control.
• Make sure the receiver is not obstructed.
• Certain fl uorescent lights may interfere with signal
• 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
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
• 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
SET
CANCEL
ON
OFF
1
3
SET
CLOCK
RESET
AC
RC
Press for
5 seconds
5 seconds
Press for
5 seconds
to quit
checking
5 seconds
to quit
checking
Press until you
hear beep sound,
then write down
the error code
hear beep sound,
then write down
the error code
Turn the unit off
and reveal the
error code to
authorised dealer
and reveal the
error code to
authorised dealer
2
3
4
1
• For certain errors, you may restart the unit for limited
operation with 4 beeps when operation starts.