Panasonic UA1E5 Serie Instrucciones De Operación página 12

TROUBLESHOOTING TROUBLESHOOTING
The following symptoms do not indicate malfunction. The following symptoms do not indicate malfunction.
Symptom Symptom
Mist emerges from indoor unit.
Water fl owing sound during operation.
The room has a peculiar odour.
Indoor fan stops occasionally during automatic
fan speed setting.
Operation is delayed a few minutes after
restart.
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)
Airfl ow 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.
Fan speed change occasionally during heating
mode.
Outdoor unit emits steam during heating
mode.
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Cause Cause
• Condensation effect due to cooling process.
• Refrigerant fl ow inside the unit.
• This may be due to damp smell emitted by the wall, carpet, furniture or
clothing.
• This helps to remove the surrounding odours.
• The delay is a protection to the unit's compressor.
• 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 infl ow 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.
• 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.