Faults are displayed on the basic screen in the status field and through the floor (Spotlight) lighting. In addition, an acoustic alarm (horn) informs the operator in the event of a fault. Tapping on the status field (symbol ) opens the info system. The information system displays general device information as well as information about faults and warnings that occur.


A distinction is made between the following warning levels, which trigger appropriate reactions (→ fault table)

Alert level5101320303335

status field (Spotlight)

YellowYellowYellowRedRedRedRed
heatingOff--OffOffOffOff
pump----OffOffOff
cooling----OffOffOff
horn-ActiveActiveActiveActiveActiveActive
alarm contact-ActiveActiveActiveActiveActiveActive
Alarm on interface-ActiveActiveActiveActiveActiveActive
Alarm acknowledgementAutomaticallyAutomaticallyManualManualManualManualManual

In case of alert level faults 10–35:


  • The horn, alarm contact (additional equipment ZB) are activated and the fault is transmitted to the interface (additional ZD, ZC, ZPequipment).
  • To mute the horn, tap the () button.
  • Determine the cause of the fault (→Detect the cause of the fault).
  • Acknowledge the fault by tapping the button () or by swiping to the left (→ Fig.). The fault is no longer in the view.