Panasonic CU-E21HKEA Bedienungsanleitung Seite 7

TROUBLESHOOTING TROUBLESHOOTING
The following symptoms do not indicate malfunction. The following symptoms do not indicate malfunction.
Symptom Symptom
Mist emerges from indoor unit.
Water fl owing sound during operation.
The room has a peculiar odour.
Indoor fan stops occasionally during automatic
fan speed setting.
Operation is delayed a few minutes after
restart.
Outdoor unit emits water/steam.
Timer indicator is always on.
Power indicator blinks during operation and
the indoor fan is stopped.
Indoor fan stops occasionally during heating
operation.
Power indicator blinks before the unit is
switched on.
Cracking sound can be heard during
operation.
Check the following before calling for servicing. Check the following before calling for servicing.
Symptom Symptom
Heating/Cooling operation is not working
effi ciently.
Noisy during operation.
Remote control does not work.
(Display is dim or transmission signal is weak.)
The unit does not work.
The unit does not receive the signal from the
remote control.
Ion indicator on the indoor unit is blinking.
The unit stops and the timer indicator blinks. The unit stops and the timer indicator blinks.
Press for 5
1
seconds.
Press for 5
3
seconds to
quit checking.
• Turn the unit off and reveal the error code to your nearest dealer.
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Cause Cause
• Condensation effect due to cooling process.
• Refrigerant fl ow inside the unit.
• This may due to damp smell emitted by the wall, carpet, furniture or
clothing.
• This helps to remove the surrounding odours.
• The delay is a protection to the unit's compressor.
• Condensation or evaporation occurs on pipes.
• The timer setting repeats daily once set.
• The unit is in defrost mode, and the melted frost is drained from the
outdoor unit.
• To avoid unintended cooling effect.
• This is a preliminary step in preparation for the operation when the ON
timer has been set.
• Panel expanding/contracting due to change in temperature.
Check Check
• 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.
• Check if the unit has been installed at an incline.
• Insert the batteries correctly.
• Replace weak batteries.
• Check if the circuit breaker is tripped.
• Check if timers have been set.
• Make sure the receiver not obstructed.
• Certain fl uorescent lights may interfere with signal transmitter. Please
consult your nearest dealer.
• Press
the dealer.
TIMER
ON SET
1 2 3
OFF CANCEL
AC RC
SET CHECK CLOCK RESET
button twice. If the indicator is still blinking, please consult
Press until you hear
2
beep sound, then jot
down the error code.
NOTE : NOTE :
• The unit may be operable
(with 4 beeps) on a limited
basis, depending on the
error.
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