Panasonic CS-UE7RKD, Operating Instructions Manual

Page: 9 / 44

9
English
Troubleshooting
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.
Air fl 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.
POWER indicator blinks during HEAT mode
with no warm air supply (and louver is closed).
• The unit is in defrost mode (and 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 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.
Cooling/heating capacity reduced during the
lowest fan speed setting.
• The low fan speed is low noise priority operation, so
cooling/heating capacity may be reduced (depending
on the condition). Increase the Fan Speed to increase
the capacity.
Check the following before calling for servicing.
Symptom Check
Operation in HEAT/COOL mode is not working
ef fi 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.
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
SET
CANCEL
ON
OFF
1 3
SET CLOCK RESET
AC RC
Press until you
hear beep sound,
then write down
the error code
2
Turn the unit off
and reveal the
error code to
authorised dealer
4
Press for
5 seconds
1
Press for
5 seconds
to quit
checking
3
• For certain errors, you may restart the unit for limited
operation with 4 beeps when operation starts.
Cleaning instructions /
T
roubleshooting