Panasonic CS-A28JKD: TROUBLESHOOTING TROUBLESHOOTING

ENGLISH

7

Symptom

Check

Heating/Cooling operation is not working

• Set the temperature correctly.

effi ciently.

• 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.

(Display is dim or transmission signal is weak.)

• Replace weak batteries.

The unit does not work. • Check if the circuit breaker is tripped.

• Check if timers have been set.

The unit does not receive the signal from the

• Make sure the receiver not obstructed.

remote control.

• Certain fl uorescent lights may interfere with signal transmitter. Please

consult authorized dealer.

PATROL operation does not work.

• Press and hold

for 15 seconds until beep sound is heard, press

again.

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 authorized dealer.

Symptom

Cause

Mist emerges from indoor unit. • Condensation effect due to cooling process.

Water fl owing sound during operation. • 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

• This helps to remove the surrounding odours.

fan speed setting.

Operation is delayed a few minutes after

• The delay is a protection to the unit’s compressor.

restart.

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 unit is in defrost mode, and the melted frost is drained from the

the indoor fan is stopped.

outdoor unit.

Indoor fan stops occasionally during heating

• To avoid unintended cooling effect.

operation.

Cracking sound during operation. • Changes of temperature cause the expansion/contraction of the unit.

Inconsistent airfl ow during PATROL operation. • Fan speed is adjusted automatically during patrol operation.

Select QUIET operation to maintain the airfl ow consistency.

The following symptoms do not indicate malfunction.

TROUBLESHOOTING TROUBLESHOOTING

Check the following before calling for servicing.