User manual

95
i
EN
22. What to do if... ?
Fault
...the belt winder fails to indicate
any function?
Cause / solution
Check the power supply incl. connection
cable and connection plug.
... the belt winder fails to react at
the preset switching time?
There may have been a power failure.
Reset the switching times as per page 84.
...the clock setting indicator light
flashes?
There may have been a power failure.
Reset the switching times as per page 84.
...the roller shutters no longer move
up completely?
Possibly the end points have shifted due
to elongation of the belt. Reset the end
points as per page 81.
... the roller shutters stop as soon
as the operating key is released?
e end points have not yet been set. Set
the end points as per page 81.
... the automated solar function
fails to react?
a) Check that the solar sensor is still
stuck to the window pane.
b) Is the sunlight not bright enough or
too severely darkened by shadow
formation?
c) Check that the solar indicator light is
illuminated, see page 88.
d) Check the solar sensor connection
cable for damage.
e) Is the connector properly inserted in
the unit?