Da-Lite Senior Electrol Talimat Kitabı - Sayfa 7
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Troubleshooting
Symptom
Screen will not move "up."
Motor does not hum.
Motor hums.
Scraping or grinding noise.
Gear noise.
Fabric rubbing.
Incorrect stopping point in
upward position.
Incorrect stopping point in
downward direction.
Inconsistent stopping points.
Screen does not stop going
up or down.
Cause
Blown fuse or tripped circuit breaker.
No power between red and white leads
in junction box.
Thermal overload tripped.
Burned out motor winding.
Temporary binding.
Burned out capacitor.
Broken wire or loose connection in "up"
position circuit.
If metal shipping bracket is left attached to screen,
it may be rubbing on motor end of roller.
Gear may need lubrication.
Normal condition.
NOTE: Screens with ironing boards have fabric
that drags across the board.
Lost roller wrap.
Limit switch out of adjustment.
Lost roller wrap.
Limit switch out of adjustment.
Limit switch travel plate not moving..
Excessive end play in lead screw of limit
switch assembly.
Limit switch assembly paddle damaged
or is out of place.
Solution
Replace fuse or reset circuit breaker.
Correct improper wiring.
Let motor cool for 15 minutes. Try again.
Check for power between red and white motor leads.
Replace motor if there is power.
With power off, turn roller by hand to free binding.
Replace capacitor.
Secure connection or replace wire.
Remove shipping bracket.
Apply grease.
Lift bottom edge up and over roller.
See installation instructions.
See above.
See installation instructions.
Tighten set screws located on nylon gears
(drives limit switch).
Tighten nut between adjusting knobs.
Tighten lead screw of limit switch.
Remove and check limit switch assembly.
Repair or replace as necessary.
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