Service; Anomalies And Solutions - Ariston NIMBUS M NET Mode D'emploi Pour L'utilisateur

5. Service

5.1

Anomalies and solutions

In case of problems, run the following checks before contacting a Technical Assistance Service.
Anomalies
Unsatisfactory cooling performances
The unit does not work
The unit starts or stops frequently
Unsatisfactory heating performances
NOTE: if, after performing the checks and diagnostics procedures described above, the problem persists, switch the unit off
immediately and contact a Technical Assistance Service.
34 / EN
Possible causes
The set temperature could be higher
than the room temperature
The heat exchanger of the indoor or
outdoor unit is dirty
The air inlet or outlet of the outdoor unit
is obstructed
Door and windows open
Sunlight generates excessive heat
Too many sources of heat in the room
(people, computers, electronic devices,
etc.)
Low refrigerant level due to leakages or
extended use
Power shortage
The unit is switched off
The fuse has blown
The timer is active
There is too much or too little refrigerant
in the system
Incompressible gas or humidity has
entered the system.
The compressor is faulty
The voltage is too high or too low
The outdoor temperature is extremely
low
Cold air seeps in from doors and
windows
Low refrigerant level due to leakages or
extended use
Solutions
Set a lower temperature
Clean the heat exchanger (Service
Centre)
Switch the unit off, eliminate the cause
of the obstruction and switch the air
conditioner on again
Close the doors and windows while
using the unit
Draw the curtains and close the windows
during the hottest hours of the day or
when the sunlight is more intense
Reduce the sources of heat
Check that there are no leakages, reseal
the system if necessary and top up the
refrigerant (Service Centre)
Wait for electricity to be restored
Switch the appliance on
Replace the fuse (Service Centre)
Deactivate the timer
Check that there are no leakages and top
up the refrigerant if necessary (Service
Centre)
Purge the system and recharge the
refrigerant (Service Centre)
Replace the compressor (Service Centre)
Install a voltage regulator (Service Centre)
Use an auxiliary heating appliance
Close the doors and windows while
using the unit
Check that there are no leakages, reseal
the system if necessary and top up the
refrigerant (Service Centre)
Service