Fault messages

The last five active faults are displayed in the “Faults” menu.

Fan supply air
Fan exhaust air
Communication main control panel (Comfort control unit)
Sensor T exhaust air
Sensor T air inlet unit
Sensor T outgoing air
Sensor T supply air
Sensor T room BUS
System memory
System bus
Additional circuit board 1
Additional circuit board 2
Bypass
Supply air temperature too cold
Exhaust air temperature too cold
Frost protection
Zone shutter
External pre-heating
Setpoint pressure constancy not reached

To remedy faults, contact the specialist electrical installer responsible for operating your unit.