24 User manual
RONI W - Room Air Conditioner
PART 6. TROUBLESHOOTING
Malfunction Possible causes
The appliance does not
operate
Power failure/plug pilled out
Damaged indoor/outdoor unit fan motor
Faulty compressor thermomagnetic circuit breaker
Faulty protective device or fuses
Loose connections or plug pulled out
It sometimes stops operating to protect the appliance
Voltage higher or lower than the voltage range
Active TIMER-ON function
Damaged electronic control board
Strange odour Air lter dirty
Noise of running water Let Back ow of liquid in the refrigerant circulation
A ne mist comes from
the air outlet
This occurs when the air in the room becomes very cold, for example in the
"COOLING" or DEHUMIDIFYING/DRY modes
A strange noise can be
heard
This noise is made by the expansion or contraction of the front panel due to
variations in temperature and does not indicate a problem
Insucient air ow,
either hot or cold
Inappropriate temperature setting.
Air inlet or outlet of indoor or outdoor unit has been blocked
Air lter is blocked
Fan speed set at minimum
Other sources of heat in the room
No refrigerant
The appliance does not
respond to commands
Remote control is not near enough to indoor unit
Battery in Remote controller may have been exhausted
Obstacles between remote control and signal receiver in indoor unit
The display is o
Active LED function
Power failure
1. MALFUNCTIONS
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