Troubleshooting - Da-Lite Ascender Electrol Instruction Book

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Troubleshooting

Symptom
Screen will not operate or will
not go "down".
Motor does not hum.
Motor hums.
Screen will not move "up"
Motor does not hum
Motor hums.
Incorrect stopping position in
downward direction.
Incorrect stopping position in
upward direction.
Noise.
NOTE: Screen will operate with
a low pitched hum.
Coasting.
Cause
Tripped circuit breaker.
No power to operating switch or junction.
Power at junction box
Thermal overload tripped.
Broken wire in the "down" position.
Defective motor, limit switch or capacitor.
Capacitor burned out.
Tripped circuit breaker.
No power to operating switch or junction.
Power at junction box
Thermal overload tripped.
Broken wire in the "up" position.
Defective motor, limit switch or capacitor.
Capacitor burned out.
"Down" limit switch out of adjustment.
"Up" limit switch out of adjustment.
Grinding due to foreign object in screen rubbing
on roller or fabric.
Gear noise.
Defective brake.
Solution
Reset circuit breaker.
Check above. Tighten all loose wire connections. Correct any
improper connections.
"Down" Position.
Check for power across black and white leads.
Let motor cool down for 15 minutes. Try again.
Check for continuity. Cut off old splice and reconnect.
Replace motor assembly.
NOTE: Motor is a sealed assembly.
Replace motor assembly.
Reset circuit breaker.
Check above. Tighten all loose wire connections. Correct any
improper connections.
"Up" Position.
Check for power across black and white leads.
Let motor cool down for 15 minutes. Try again.
Check for continuity. Cut off old splice and reconnect.
Replace motor assembly.
NOTE: Motor is a sealed assembly.
Replace motor assembly.
See installation instructions.
Adjust "up" limit switch. See installation instructions
Remove foreign object.
Replace motor assembly.
Replace motor assembly.
7

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