Panasonic F566077 operating instructions Troubleshooting, Symptom, Cause

Models: F566077

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TROUBLESHOOTING

TROUBLESHOOTING

The following symptoms do not indicate malfunction.

 

 

Symptom

Cause

 

 

 

Mist emerges from indoor unit.

• Condensation effect due to cooling process.

Water flowing sound during operation.

Refrigerant flow 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.

Operation is delayed a few minutes after restart.

This helps to remove the surrounding odours.

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

Outdoor unit emits water/steam. Timer indicator is always on.

Indoor fan stops occasionally during heating operation.

Cracking sound can be heard during operation.

Unit switch to FAN operation and air become humid.

Outdoor unit emits noise during heating operation.

Operation does not stop immediately after pressed the OFF/ON button.

Operation stops occasionally. (“DEFROST” appears on the remote control display)

Airflow does not start immediately after operation is started. (“PRE HEAT” appears on the remote control display)

Operation starts after power resumes. During dry mode, cold air blow out.

Condensation or evaporation occurs on pipes.

The timer setting repeats daily once set.

To avoid unintended cooling effect.

Changes of temperature cause the expansion/contraction of the unit.

This happens when the room temperature reaches the set temperature, operation switches to FAN mode and the humidity increase.

This is due to changes inflow of refrigerant gas when operation stops and starts.

Discharging heat is in process. Operation will stops automatically after approximately 60 seconds.

The unit is in defrosting mode, and the melted frost is drained from the outdoor unit.

The unit is warming up to provide warm air.

Auto restart is in function and operates under previous setting.

The unit is running cooling operation with low fan speed to dehumidify the room.

Fan speed change occasionally during heating mode.

Outdoor unit emits steam during heating mode.

The room temperature has reached the remote control setting. When the room temperature drops again, the fan speed will resume to the remote control settings.

This is due to defrost operation happens at the heat exchanger.

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Panasonic F566077 operating instructions Troubleshooting, Symptom, Cause