Wisniowski UNIPRO SNP Instructions De Montage Et D'utilisation page 6

EN
[D000636] 17. FREQUENTLY ASKED QUESTIONS
The door is difficult to open/the door leaf closes with great force; the door is
out of balance (the door leaf falls or opens on its own)
The door resists heavily; the door leaf does not run smoothly
The door assembly structure shudders when opening/closing
The lock fails to open/close/work properly
The rollers come out of the track
The door leaf does not descend steadily when closing
The gasket does not touch the floor when the door is closed
The top panel does not meet the lintel
The door leaf height is too low relative to the tracks
The springs begin to rust / the springs run noisily
6
Assembly and Operating Instructions – Sectional garage door UniPro SNP
Cause
• Check the tension of the springs. Open the door halfway; the door should
not move when released. If the door leaf falls down significantly, increase the
spring tension. If the door leaf rises significantly, reduce the spring tension.
Both springs must be equally tensioned.
• Check the springs and relubricate.
• Check the correct tension of the cables.
• Check that the rollers turn when opening and closing the door leaf. If the
rollers resist or fail to turn, readjust and relubricate them.
• Check the tracks for all foreign objects that may cause operating difficulties.
• Check the springs and relubricate.
• Check the condition of all fasteners on moving and fixed joints; correct if
necessary (inspect the fastening bolts of the drive, the tracks and the hinge
screws, etc.).
• Verify that the horizontal tracks are properly suspended.
• Lubricate the lock cylinder.
• Check the latch operation. Relubricate if the latch resists.
• Check that the lock link is properly assembled with the latch.
• Check the operation of the lock blocking bolt.
• Verify the proper adjustment of the door open limit switch, if the door is
power-operated.
• Check the spacing of the tracks.
• Check the tracks for deformation.
• Check the correct winding and tension of the cables.
• Check the cable length.
• Check the limit switch adjustment in your power-operated door.
• Verify that the floor is level.
• Check that the top roller holder is properly mounted.
• Check the limit switch adjustment in your power-operated door.
• Check that the door goes properly behind the lintel.
• Check that the bottom gasket is not completely compressed with the door
closed.
• Check that the door leaf goes properly behind the lintel.
• Check for play between the panels.
• Replace the device with a new one.
IIiO/BS/SNP/01/2020/ID-95695
Solution
Technical description
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