Panasonic CS-E7GKEW Operating Instructions Manual page 16

TROUBLESHOOTING
The following symptoms do not indicate malfunction.
Symptom
Power indicator blinks before the unit is
switched on.
Power indicator blinks during operation
and the indoor fan is stopped.
Occasionally knocking sound is heard.
Cracking sound can be heard during
operations.
Water fl owing sound during operations.
Airfl ow continues even after operation has
stopped.
Indoor fan stops occasionally during
heating operation.
Indoor fan stops occasionally during
automatic fan speed setting.
The room has a peculiar odour.
Mist emerges from indoor unit.
Outdoor unit emits water/steam.
Timer indicator is always on.
Operation is delayed a few minutes after
restart.
Check the following before calling for servicing.
Symptom
Heating/Cooling operation is not working
effi ciently.
Noisy during operation.
Remote control does not work.
The unit does not work.
Patrol sensor or e-ion indicator on the
indoor unit is blinking (for GK-series
indoor unit).
The unit stops and the timer indicator blinks.
■
For GF-series indoor unit.
Jot down error code at indicator.
■
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.
16
Cause
■
The operation mode is different from other indoor unit.
■
This is a preliminary step in preparation for the operation when the ON timer has been set.
■
The unit is in defrost mode, and the melted frost is drained from the outdoor unit.
■
Switching over of refrigerant gas in the system during defrosting and at the end of
operations.
■
Panel expanding/contracting due to change in temperature.
■
Refrigerant fl ow inside the unit.
■
Extraction of remaining heat from the indoor unit (maximum 30 seconds).
■
To avoid unintended cooling effect.
■
This helps to remove the surrounding odour.
■
This may due to damp smell emitted by the wall, carpet, furniture or clothing.
■
Condensation effect due to cooling process.
■
Condensation or evaporation occurs on pipes.
■
The timer setting repeats daily once set.
■
The delay is a protection to the unit's compressor.
Check
■
Set the temperature correctly.
■
Close all doors and windows.
■
Clean or replace the fi lters.
■
Clean 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.
■
Press or
your nearest dealer.
If the error code does not appear at the
indicator.
TIMER
ON SET
Press to retrieve error
1 2 3
code, then jot down the
OFF CANCEL
error code at indicator.
CHECK
twice. If the patrol sensor or e-ion indicator still blinking, please consult
■
For DB, DD, DT, GK-series indoor unit.
TIMER
ON SET
1 2 3
OFF CANCEL
CHECK
Press for 5 seconds.
Press until you hear beep
sound, then jot down the
error code.
Press for 5 seconds to quit
checking.