Fault elimination
28
Fault elimination
Diagnosis
Shutters move
variably (with group
control):
The shutter does
not move if group
control is active:
Shutter does not
move:
Louvres not
adjustable:
The shutter no
longer crosses
extension unit and
on-site operation:
Poss. cause/remedy
–
change outputs on the
6411U/S 6411U/S-101
–
exchange extension inputs on
the 6411U/S-101
–
Disconnect load line from
control line
–
Extension unit with higher
priority is applied (e.g. wind
alarm)
–
Thermal motor protection
active – wait a moment
–
check mode of operation
–
Party function is activated.
ENG
83