Panasonic CU3E18PBE - Manual (Page 9)

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.
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.
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.
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 intake grille 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 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.
Cleaning instructions /
T
roubleshooting
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
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 1
3
4
• For certain errors, you may restart the unit for limited
operation with 4 beeps when operation starts.
F569176-SS0113-0_1EN.indd 9 F569176-SS0113-0_1EN.indd 9 17/04/2013 11:15:45 17/04/2013 11:15:45
Process Black Process Black