Trobleshooting
[B816784_1] - EN / 23.11.06
Page 11 of 12
Subject to change without notice.
9
Troubleshooting
CAUTION
Injury or damage to persons or property
resulting from problem-solving.
Problems with no reference to a qualified
specialist may be rectified independently.
Other problems are only to be dealt with
by a qualified specialist.
Problem
Possible causes
Remedy
Motor is malfunctioning
Motor change (specialist only)
On-site motor connection is incorrect
Reconnect as per wiring diagram
(electricians only)
The motor thermal protection switch
triggered
Wait 10 to 15 minutes, then try again
There is no current
Check the power fuse (electricians
only)
Motor is not operating
A higher-level control command is
present
Await switch on/off delay
Motor switch-off positions are
incorrect
Readjust the motor (specialists only)
Spindle lock is incorrectly adjusted
Readjust the spindle lock (specialists
only)
The drop profile does not extend
all the way or extends too far
The guide rails are soiled
Remove soiling
Guide not vertical
Adjust the guide so it is vertical
(specialists only)
Fabric shows when extended
Fabric is not aligned centrally to the
lateral guide
Adjust the fabric centrally on the shaft
(specialists only)
Crank cannot be operated
Gear drive is malfunctioning
Replace the gear drive (specialists
only)
The drop profiles for coupled
blinds are at different heights
(difference greater than ± 20 mm)
Drop profiles are not set (an offset a
few centimetres is acceptable due to
coupling play in mechanical
couplings)
Readjust the blind heights (specialists
only)
Coupled blinds do not run at the
same time
Coupling is incorrectly set (or fabric
shape has tolerances)
Readjust the coupling (specialists only
– not for type 150)
Tab. 3: Overview of possible problems
