Panasonic CUCZ9SKE Operating Guide

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11
English
The following symptoms do not indicate malfunction.
Symptom
Cause
Mist emerges from indoor unit.
• Condensation eff ect 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.
• 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 
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, fl ap is closed.
• The AIR SWING is set to AUTO.
Indoor fan stops occasionally during heating 
operation.
• To avoid unintended cooling eff ect.
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.
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 HEAT/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.
ON
OFF
TIMER
CANCEL
SET
ON
OFF
TIMER
CANCEL
SET
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
2
3
4
1
• For certain errors, you may restart the unit for limited 
operation with 4 beeps when operation starts.
Cleaning instructions / 
T
roubleshooting
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6/28/2016   3:00:59 PM
6/28/2016   3:00:59 PM