Da-Lite Boardroom ElEctrol 지침서 - 페이지 8

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Troubleshooting

Symptom

Door will not open

Door does not close tightly.

" Down" limit switch incorrect.

Noise.

NOTE: Screen will operate with

a low-pitched hum.

Coasting.

Roller displaced from

mounting bracket.

Fabric door hangs down on one

end.

Fabric hangs crooked or is

rubbing on slat hook.

Cause

Hinge is bound or has a foreign substance on it

which does not allow it to open by gravity..

Slat hooks catch on access door..

"Up" limit switch in motor is out of adjustment.

" Down" limit switch out of adjustment.

Squeaking, rubber end plug rubbing on motor.

Grinding. Foreign object in screen rubbing on roller

or fabric.

Gear noise

Defective brake.

Pin end slipped out of nylon bearing

Slat hooks not formed equally.

Crooked pocket.

Screen not installed properly..

Fabric has backed up inside case.

Fabric is damaged.

Solution

Check installation to free door. Clear any foreign substance;

i.e., paint or plaster from hinge.

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.

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 +).

See installation instructions.

Center roller in case.

Remove.

Replace motor assembly..

Replace motor assembly.

Remove pin end mounting. Realign motor in tube. Reattach

pin end.

Bend slat hook slightly or apply tape to end of slat where

door hangs. Build slat up enough to close door.

If not corrected by applying above, replace fabric.

Check for level and plumb.

Adjust "down" limit switch slowly until roller is exposed and

wrinkle comes out, then readjust for proper drop.

Replace fabric.