4.0 troubleshooting
Symptom
Possible cause
Remedy
lifting cables loose
when door is
opened
cable drums have slipped
diagonals out of square
lifting cables not wound till taut
check the screws on the cable drums
check the horizontal tracks are square
loosen screws on cable drums and wind cables till
taut, then tighten screws.
torsion bar moving
cable drums not adjusted correctly
springs not adjusted correctly
shaft collar not fitted (single spring)
end bearing brackets are not straight
check and adjust
check spring tension
fit shaft collar, see section 3.6.
check end bearing brackets are square and vertical
door will not
hold up in open
position
spring tension not tight enough
incorrect placement of springs
check the correct number of turns has been made to
spring/s. refer to section 3.8.
check the springs are on the correct side/s, refer to
section 3.6.
door not level
water level marks incorrect
lifting cable not equally taut
check the water level marks are correct
loosen screws on cable drums and wind cables till
taut, then tighten screws.
door moving to
one side
clearances incorrect
cable drums not close to end
bearing brackets
check the clearance/overlap of the door is equal on
each side.
loosen screws on cable drums and ensure they are
hard up against the end bearing bracket and tighten
screws.
door panels
jamming /
rubbing on tracks
incorrect clearance between wheel
and vertical track
door not level
cable drum not lined up correctly
vertical tracks not parallel
lifting cables slipping
Check that the clearances per Fig 3.1.2 are the same in
both vertical and horizontal tracks.
check water level marks are correct.
loosen screws on cable drums and ensure they are
hard up against the end bearing bracket and tighten
screws.
Check that the clearances per Fig 3.1.2 are the same
on both vertical tracks.
loosen screws on cable drums and wind cables till
taut, then tighten screws.
door hard to lift
spring tension
spring may have slipped on set
screws
wrong spring
check the correct number of turns has been made to
spring/s. refer to section 3.8. Ensure springs have been
lubricated.
check sping plug grub screws are tight, refer to section
3.8
check the springs are on the correct side/s, refer to
section 3.6.
17
The Designer Series
&
P7 Industrial
™
installation instructions
