Ariston NIMBUS M NET User Manual

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

Ariston NIMBUS M NET Specifications

General

Type	Air-to-Water Heat Pump
Refrigerant	R32
Power Supply	Electric
Power Supply Voltage	230 V
Connectivity	Wi-Fi
Heating Capacity	6 kW