Cause
Solution
High resistance is observed during door operation. The door leaf does
not open smoothly.
• Check the correct and smooth rotation of rollers during door opening
and closing. If the rollers put resistance or fail to rotate, they should
be adjusted and lubricated.
• Check the guides for dirt that may cause incorrect door operation.
• Check the springs, and lubricate it.
Vibrations of the mounting construction are observed during
door operation.
• Check all fixing points of all joints, and regulate, if necessary (screws
mounting the drive, guides and screws mounting hinges, etc.).
• Check the proper mounting of the horizontal guides.
The lock does not open/ close. Incorrect operation of the lock.
• Grease the barrel insert.
• Check the operation of a bolt. Lubricate, if any resistance is observed.
• Check the correct mounting of the rod connecting the lock with the bolt.
• Check the operation of a latch that blocks the lock.
Anti-drop safety device was activated.
• Check the cables. Replace the damaged cables with new ones.
• Replace the safety device with a new one.
Cables are improperly winded up on a drum.
• Check the cables for correct winding up and tension.
• Check the length of cables.
Rollers slipped out from the guide.
• Check the limit switches in automatic doors for proper regulation.
• Check the distance between the guides.
• Check the guides for any deformations.
Spring break device was activated.
• Replace the device with a new one.
Door leaf does not drop equally during closing.
• Check the cables winding up around drums.
The door is closed, but the sealing does not touch the floor.
• Check the cable winding up on a drum.
• Check the proper regulation of limit switches in automatic doors.
• Check, if the floor is levelled.
The door is closed, the top panel does not reach the lintel.
• Check the proper mounting of the top roller holder.
• In automatic doors, check the position of limit switches.
• Check if the door leaf properly goes behind the lintel.
Too low height of the door leaf compared to the guides.
• Check the bottom sealing, when the door is in its closed position.
• Check if the door leaf properly goes behind the lintel.
• Check the gaps between the panels.
First signs of spring corrosion. High noise is observed during spring
operation.
• Replace the springs.
In case of any doubts, or if a cause remains unsolved, please contact the authorized service centre.
[A000079]
The manufacturer reserves the right to introduce design modifications due to technological progress that do not alter the product
functionality, without prior notice.
This documentation is copyright of the manufacturer. Copying, reproduction and usage in full or in a part without the written consent of the
owner is prohibited.
[A000048]
This document has been translated from Polish. In case of discrepancies, the Polish version prevails.
8
IOiK/BS/UniPro/04/2020/ID-98589
Technical description
Operating and Maintenance Manual
– Sectional garage door UniPro
EN
