Is there an alarm?
Increased noise in the unit
The supply air feels cold but the ventilation unit is not alarming
The supply air feels warm but the ventilation unit is not alarming
The ventilation unit makes the fuse blow
The control panel doesn`t work even though the ventilation unit is working
The ventilation unit doesn`t cool
HRW- rotor is not rotating
The ventilation unit freezes
In the winter it is common that rime or ice is inside the unit, especially when you are in the sauna. Its normal and requires no counter measurements, if the ice not not damaging the unit.
The unit doesn`t start after the service hatch has been open
Moisture or rime on the outside of the duct that goes out on from the unit.
None of the abovementioned problems apply. Switch to the Service Request form.