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i
EN
20. What to do if... ?
Fault
... the belt winder indicates no
functions?
Cause / solution
Check the power supply incl. connecting cable
and plug.
... the belt winder fails to react at the
congured switching time?
There may have been a power failure.
Recongure the switching times,
see page 36.
... the timer LED ashes?
There may have been a power failure.
Recongure the switching times,
see page 36.
... the roller shutter does not travel up
all the way?
The end points may be displaced due to
elongation of the belt. Re-adjust the end
points, see page 33.
... the roller shutters stop as soon as the
control button is released?
The end points are not congured.
Congure the end points, see page 33.
... the automatic solar function does
not work?
a) Check whether the sun sensor is attached
to the window pane.
b) Is the sunlight not bright enough or is
the sensor excessively darkened as a
result of shading?
c) Check the solar LED, this should be lit up,
see page 40.
d) Check the sun sensor connecting cable
for damage.
e) Is the plug properly connected to the
device?