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TROUBLESHOOTING
The chart below is a list of possible problems with the operation of the fire door. The possible causes listed are the most common, and are not meant to
include all possibilities. With the variety of the product and the field conditions, other factors may be involved. If assistance beyond this troubleshooting chart
is needed, please contact your Wayne Dalton Dealer. Factory support is available to them, should it be necessary, in order to resolve your problem.
Trouble
Curtain runs to one
side
Door sticks when closing
Door coil makes cracking sound *Bent slats
Door squeaks when operating
Door is difficult to raise, will not
stay open
Operator moves, door does not
operate
830873-0001
REV 02/20/2023
Possible Cause(s)
*Broken endlocks
*Barrel not level
*Bent guide angle(s)
*Tight guides
*Dirty guides
*Insufficient Counterbalance
*Broken spring
*The Operator sprocket or drive sprocket are not keyed
to the shaft
*The drive chain is broken or has slipped
©Copyright 2023 Wayne Dalton, a division of Overhead Door Corporation
Remedy
*Check and replace
*Check and level barrel
*Inspect for bent or kinked guides.
*Straighten guides and check width of groove.
*Inspect, remove and straighten or replace
*Check alignment and distance between guides.
*Inspect and clean inside of guide. Do not lubricate with grease.
Use WD-40 or silicone spray.
*Increase spring tension and repeat drop test procedure
*Remove barrel and replace.
*Ensure sprockets are secure
*Ensure drive chain hasn't broken or slipped.
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