Panasonic CU-PA18JKD: TROUBLESHOOTING TROUBLESHOOTING

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.

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.

The following symptoms do not indicate malfunction.

Check the following before calling for servicing.