Troubleshooting; Unit Stops/Timer Indicator Blinks - Panasonic CU-UE12JKE Operating Instructions Manual

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the following symptoms do not indicate malfunction.
Symptom
Mist emerges from indoor unit.
Water flowing 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.
The unit operates automatically when power is
resumed after a power failure.
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 during operation.
Check the following before calling for servicing.
Symptom
Heating/Cooling operation is not working
efficiently.
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.
the unit stops and the timer indicator blinks.
Use remote control to retrieve error code.
Press for 5
1
seconds.
4
Turn the unit off and reveal the error code to authorized dealer.
Cause
• Condensation effect due to cooling process.
• Refrigerant flow 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.
• It is the Auto Restart function of the unit. Operation will be restarted
automatically under the previous operation mode and airflow direction
when power is resumed as the operation is not stopped by remote control.
• To cancel the Auto Restart Control, please contact with authorized
distributor.
• 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.
• Changes of temperature cause the expansion/contraction of the unit.
Check
• Set the temperature correctly.
• Close all doors and windows.
• Clean or replace the filters.
• Clear any obstruction at the air inlet and air outlet vents.
• Check if the unit has been installed at an incline.
• Close the front panel properly.
• 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 fluorescent lights may interfere with signal transmitter. Please
consult your nearest dealer.
Press until you hear
2
beep sound, then jot
POWERFUL / QUIET POWERFUL / QUIET
down the error code.
Press for 5 seconds
3
to quit checking.
SELECT SELECT SET/CANCEL SET/CANCEL
CHECK CHECK ERROR ERROR RESET RESET RESET RESET
note :
• The unit may be operable
(with 4 beeps) on a limited
basis, depending on the
error.
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