Operating Instructions, Comfort 220.2, 250.2, 252.2, 250.2 speed GB (#83988) 35
10. Messages
Legend:
LED off
LED on
LED flashes slowly
LED pulses
LED flashes quickly
Factory default setting
Not possible –
Error Cause Solution
Message 26 - Undervoltage, operator system
overloaded at maximum power
setting, 16.
- Have the external power supply checked.
- Ensure that the door moves easily.
Message 28 - Door movement too stiff or irregular.
- Door blocked.
- Check the path of the door and ensure that the door moves
easily.
- Automatic cut-out is set to be too
sensitive.
- Have the automatic cut-out facility checked by an expert
(Section 9.3 / Level 2 / Menu 3+4).
Message 35 - Electronics are defective. - Have the operator system checked.
Message 36 - Shorting plug removed, although a
stop button is not connected.
- Closed circuit is interrupted.
- Connect stop button or insert shorting plug (Section 6.6).
