Fault messages

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

Supply air fan

Exhaust air fan

Communication main control panel (= Touchscreen control unit or Comfort single 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

Combi sensor

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

Pressure constancy setpoint not reached

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