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Characteristic
The roller shutter blocks on raising or lowering.
The direction of rotation is incorrect.
Possible cause
The roller shutter slats have become displaced.
The roller shutter scrapes in the roller shutter
box due to a lack of pressure rollers on the
window frame.
The roller shutter has been rolled up at a slant
as the device has not been installed
horizontally.
Insulating material has come loose in the roller
shutter box and is blocking the roller shutter.
The roller shutter is too light.
The device is not connected correctly.
Remedy
Make sure that all slats are horizontal.
Lubricate sluggish areas with wax.
In order to pull the roller shutter free, briefly switch the drive
on in the opposite direction.
Open the roller shutter box.
Install the pressure rollers.
Make sure that the device is disconnected from the mains
power supply.
Remove the device.
Information on removing the device can be found in the
chapter entitled Dismantling the device from page 26.
Install the device horizontally again.
Information on this can be found as of the section entitled
Installing the bearings from page 18.
Open the roller shutter box.
Remove the insulating material.
Contact the manufacturer as regards professional insulation
of the roller shutter box.
Make sure that all slats are horizontal.
Weight the roller shutter e.g. with an appropriate piece of
flat iron.
Push the piece of flat iron into the bottom slat.
In order to pull the roller shutter free, briefly switch the drive
on in the opposite direction.
Make sure that the device is disconnected from the mains
power supply.
Swap the brown and the black wires over.
Information on changing the cable assignment can be found
in the section entitled Connecting the device from page 21.
Have work on the voltage supply carried out by a qualified,
trained specialist electrician only.
Rectifying malfunctions
25
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