Da-Lite EXECUTIVE ELECTROL, Instruction Book

8

Symptom

Cause

Solution

Screen jammed. Will not operate, 
motor hums, door open, closing 
mechanism detached from door.

Closing mechanism detached from door, 
allowing it to jam into box.

After securing fabric to roller, loosen set screws on 
motor gear and manually rotate solenoid assembly back 
over top of roller into position, then reattach door. Match 
flats on motor drive shaft to gear set screws  
and tighten.

Scraping or grinding noise.

If metal shipping bracket is left attached  
to screen, it may be rubbing on motor  
end of roller.

Remove shipping brace.

Gear noise.

Gear may need light weight grease.

Apply light weight grease.

Incorrect down limit switch setting.

Lost roller wrap.

See installation instructions.

Limit switch out of adjustment.

See door closure and timing instructions.

Door closes and screen  
continues to run upward.

Door limit out of adjustment.

Loosen nut holding limit switch. Rotate adjusting 
position, then secure.

Door limit switch is shorted.

Repair short or replace limit switch.

Troubleshooting