Da-Lite Boardroom Electrol - Manual (Page 8)

8
Troubleshooting
Symptom Cause Solution
Door will not open
Hinge is bound or has a foreign substance on it
which does not allow it to open by gravity.. Check installation to free door. Clear any foreign substance;
i.e., paint or plaster from hinge.
Slat hooks catch on access door..
Adjust slat hooks. Door can be opened by removing four
screws holding slat hooks to door. Access should be
provided to these screws during and after installation.
Door does not close tightly. “Up” limit switch in motor is out of adjustment.
NOTE: This switch is not normally used when operating
screen. Motor automatically shuts off if fabric does not
close fabric door.
If adjustment allows motor to shut off too soon, it will
leave fabric door open. Adjust black limit switch clockwise
(towards +).
“ Down” limit switch incorrect. “ Down” limit switch out of adjustment. See installation instructions.
Noise.
NOTE: Screen will operate with
a low-pitched hum.
Squeaking, rubber end plug rubbing on motor. Center roller in case.
Grinding. Foreign object in screen rubbing on roller
or fabric.
Remove.
Gear noise Replace motor assembly..
Coasting. Defective brake. Replace motor assembly.
Roller displaced from
mounting bracket.
Pin end slipped out of nylon bearing
Remove pin end mounting. Realign motor in tube. Reattach
pin end.
Fabric door hangs down on one
end.
Slat hooks not formed equally.
Bend slat hook slightly or apply tape to end of slat where
door hangs. Build slat up enough to close door.
Crooked pocket. If not corrected by applying above, replace fabric.
Fabric hangs crooked or is
rubbing on slat hook.
Screen not installed properly.. Check for level and plumb.
Fabric has backed up inside case.
Adjust “down” limit switch slowly until roller is exposed and
wrinkle comes out, then readjust for proper drop.
Fabric is damaged. Replace fabric.