7
Symptom
Cause
Solution
Screen will not operate or will
not go “down”.
Motor does not hum.
Motor hums.
Blown fuse.
Replace fuse.
Tripped circuit breaker.
Reset circuit.
No power to operating switch or junction box.
Check above. Tighten all loose wire connections.
Recheck wiring. See installation instructions.
Insufficient line voltage (must be at least 115V or
220V, depending on motor type).
Correct line voltage.
“Down” Position
Check for power across black and white leads.
Power at junction box
Thermal overload tripped.
Let motor cool down for 15 minutes. Try again.
Broken wire in the “down” position.
Check for continuity.
Defective motor, limit switch or capacitor.
Replace motor assembly. NOTE: Motor is a sealed assembly.
Capacitor burned out.
Replace motor assembly.
Screen will not move upward.
Motor does not hum.
Motor hums.
Blown fuse.
Replace fuse.
Tripped circuit breaker.
Reset circuit breaker.
No power to operating switch or junction box.
Check above. Tighten all loose wire connections. See above.
“Up” Position
Check for power across red and white leads.
Insufficient line voltage (must be at least 115V or
220V, depending on motor type).
Correct line voltage.
Open door micro switch.
Replace micro switch.
Power at junction box
Thermal overload tripped.
Let motor cool down for 15 minutes. Try again.
Broken wire in the “up” position.
Check for continuity.
Defective motor, limit switch or capacitor.
Replace motor assembly. NOTE:
Motor is a sealed assembly.
Capacitor burned out.
Replace motor assembly.
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
by email at [email protected] or by phone at (800) 622-3737
or (574) 267-8101 with any troubleshooting questions.
Summary of Contents for Boardroom ElEctrol
Page 1: ...INSTRUCTION BOOK FOR Boardroom Electrol ...
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