Panasonic CU-E12GKE - Manual (Page 7)

7
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Symptom Cause
Mist emerges from indoor unit. ■ Condensation effect due to cooling process.
Water fl owing sound during operations. ■ Refrigerant fl ow inside the unit.
The room has a peculiar odour. ■ This may 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.
Operation is delayed a few minutes after
restart. ■ 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 operation
and the indoor fan is stopped. ■ The unit is in defrost mode, and the melted frost is drained from the outdoor unit.
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.
TURN OFF POWER SUPPLY and CALL Authorized Distributor
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.
NON SERVICEABLE CRITERIAS
TROUBLESHOOTING
• Activate heat mode for 2~3 hours to thoroughly dry the unit.
• Turn off the power supply.
• Remove the remote control batteries.
FOR EXTENDED NON-USE
• Checking of remote control batteries.
• No obstruction at air inlet and air outlet vents.
• After 15 minutes of operation, it is normal to have the following
temperature difference between air inlet and air outlet vents:
Cooling: ≥ 8°C
Heating: ≥ 14°C
SEASONAL INSPECTION AFTER EXTENDED
NON-USE
The following symptoms do not indicate malfunction.
Symptom Check
Heating/Cooling operation 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. ■ 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.
Patrol sensor or e-ion indicator on the
indoor unit is blinking.
■ Press or twice. If the patrol sensor or e-ion indicator still blinking, please consult
your nearest dealer.
The unit stops and the timer indicator
blinks.
AC RC
RESET SET CHECK CLOCK
TIMER
ON SET
OFF CANCEL
1 3 2
Press for 5 seconds.
Press until you hear
beep sound, then jot
down the error code.
Press for 5 seconds
to quit checking.
■ Turn the unit off and reveal the error code to your nearest dealer.
Note:
• The unit may be operable (with 4 beeps) on a limited basis, depending on the error.
Check the following before calling for servicing.