Da-Lite Boardroom ElEctrol 지침서 - 페이지 7

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Da-Lite Boardroom ElEctrol 지침서

Troubleshooting

Visit www.da-lite.com/products/tutorials.php to find installation
and troubleshooting tutorials. You will also find a link to
Live Chat for interactive support and you can contact us
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.
Cause
Blown fuse.
Tripped circuit breaker.
No power to operating switch or junction box.
Insufficient line voltage (must be at least 115V or
220V, depending on motor type).
Power at junction box
Thermal overload tripped.
Broken wire in the "down" position.
Defective motor, limit switch or capacitor.
Capacitor burned out.
Blown fuse.
Tripped circuit breaker.
No power to operating switch or junction box.
Insufficient line voltage (must be at least 115V or
220V, depending on motor type).
Open door micro switch.
Power at junction box
Thermal overload tripped.
Broken wire in the "up" position.
Defective motor, limit switch or capacitor.
Capacitor burned out.
by email at [email protected] or by phone at (800) 622-3737
or (574) 267-8101 with any troubleshooting questions.
Solution
Replace fuse.
Reset circuit.
Check above. Tighten all loose wire connections.
Recheck wiring. See installation instructions.
Correct line voltage.
"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.
Replace fuse.
Reset circuit breaker.
Check above. Tighten all loose wire connections. See above.
"Up" Position
Check for power across red and white leads.
Correct line voltage.
Replace micro 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.
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