Panasonic CSE9GFEW - Manual (Page 16)

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