What to do if...?
Problem
Cause
Remedy
The roller shutter curtain is raised un-
evenly or not at all.
1.
One or more attachments have
broken off.
2.
Lath has broken off.
Repair system; then re-program limit po-
sitions.
Tubular drive overruns the limit position or
does not reach the set limit position.
A short circuit caused by dampness.
Repair electrical installation and re-pro-
gram limit positions.
External devices are connected to the
connecting cables of the tubular drive.
Check electrical installation; remove ex-
ternal devices; reset limit positions.
Due to long cable, L1 and N connection
have been reversed.
Swap L1 and N (N = blue, L1 = brown); re-
set limit positions.
Stops have broken off or one or more at-
tachments are broken.
Repair system; reset the tubular drive,
then re-program limit positions
Tubular drive does not retract after the
extended limit position has been set.
The tubular drive wrongly continues to ex-
tend and switches itself off automatically.
Both limit positions are now programmed
in the tubular drive.
Delete the limit positions, reprogram the
outer limit position, and retract immedi-
ately.
Tubular drive stops arbitrarily; cannot be
restarted in the same direction.
Tubular drive is overloaded.
Use a more powerful tubular drive.
Sun protection system keeps sticking; too
much friction.
Ensure that the sun protection system
runs smoothly.
A pre-used tubular drive is installed
Delete limit positions, then re-program
limit positions.
Tubular drive does not run in the right dir-
ection.
Tubular drive is overheated.
The tubular drive is operational again
after a few minutes.
Tubular drive is faulty (does not work
even after standing still for a long period
of time).
Replace the tubular drive; carry out RE-
SET with the programming button. No
clicking sound (emergency program); tu-
bular drive can be opened and closed for
dismounting using the programming unit.
Tubular drive switched off the last time it
went in that direction because of an ob-
struction.
Clear and remove the obstruction and set
the drive in the direction required.
Electrical connection faulty.
Check the electrical connection.
Tubular drive only runs for approx. 5
seconds.
Tubular drive is in error mode.
Re-program limit positions.
The tubular drive does not function prop-
erly in SMI operation.
Electrical connection faulty.
Check the electrical connection.
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Summary of Contents for L120/11C PS(+)SMI
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