Da-Lite Designer Da-Tab Electrol, Instruction Book

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6
Troubleshooting
Visit www.da-lite.com to find installation and troubleshooting
tutorials. You will also find a link to Live Chat for interactive
support and you can contact us by email at info@da-lite.com or by
phone at (800) 622-3737 or (574) 267-8101 with any
troubleshooting questions.
Symptom Cause Solution
Screen will not operate
and motor does not hum.
Motor hums.
Incorrect line voltage.
Verify 115-125V (or 220-240V). If insufficient voltage,
rewire incoming electric line.
Blown fuse. Replace fuse.
Tripped circuit breaker. Reset circuit breaker.
No power to operating switch
or junction.
Check above. Tighten all loose wire connections.
Correct any improper connections.
Down Position
Check for power across black and white leads.
Up Position
Check for power across red and white leads.
Power at junction box
Thermal overload tripped.
Let motor cool down for 15 minutes. Try again.
Broken wire in the “down” or “up” position. Check for continuity. Cut off old splice and reconnect.
Defective motor, limit switch or capacitor. Replace motor assembly. NOTE: Motor is a sealed assembly.
Temporary binding. With power “off”, turn roller by hand to free binding.
Capacitor burned out. Replace motor assembly.
Incorrect stopping position in
downward direction.
“Down” limit switch out of adjustment. See installation instructions.
Incorrect stopping position in
upward direction.
“Up” limit switch out of adjustment.
Adjust “up” limit switch. Turn clockwise to expose more fabric.
See installation instructions
Noise.
NOTE: Screen will operate
with a low pitched hum.
Squeaking, rubber end plug rubbing on motor. Adjust roller to center of case.
Grinding. Foreign object in screen rubbing on roller
or fabric.
Remove foreign object.
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.
Re-align motor in tube. Re-attach pin end.