Troubleshooting - Da-Lite Tensioned Large Advantage Deluxe Electrol Instruction Book

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
Symptom
Screen will not operate or will
not go "down".
Motor does not hum.
Motor hums.
Screen will not move upward.
Motor does not hum.
Motor hums.
6
Cause
Incorrect line voltage.
Blown facility fuse.
Tripped facility circuit breaker.
No power to operating switch
or junction box.
Low voltage board has no power or
blown transformer.
Power at junction box.
Thermal overload tripped.
Broken wire in the "down" position.
Defective motor, limit switch or capacitor.
Capacitor burned out.
Incorrect line voltage.
Blown facility fuse.
Tripped facility circuit breaker.
No power to operating switch or junction box.
Low voltage board has no power or
blown transformer.
Open door limit switch.
Power at junction box. Thermal overload tripped.
Broken wire in the "up" position.
Defective motor, limit switch or capacitor.
Capacitor burned out.
by phone at (800) 622-3737 or (574) 267-8101 with any
troubleshooting questions.
Solution
Verify 115-125V (or 220-240V). If insufficient voltage,
rewire incoming electric line.
Replace facility fuse.
Reset facility circuit breaker.
Check above. Tighten all loose wire connections.
Recheck wiring. See installation instructions.
Replace low voltage board.
"Down" Position
Check for power across black and white leads.
Let motor cool down for 15 minutes. Try again.
Check for continuity.
Replace motor assembly. NOTE: Motor is a sealed assembly.
Replace motor assembly.
Verify 115-125V (or 220-240V). If insufficient voltage,
rewire incoming electric line.
Replace facility fuse.
Reset facility circuit breaker.
Check above. Tighten all loose wire connections. See above.
Replace low voltage board.
"Up" Position
Check for power across red and white leads.
Replace switch.
Let motor cool down for 15 minutes. Try again.
Check for continuity.
Replace motor assembly. NOTE: Motor is a sealed assembly.
Replace motor assembly.