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.
Insuicient 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.
Insuicient 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 ind installation
and troubleshooting tutorials. You will also ind 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) 6223737
or (574) 2678101 with any troubleshooting questions.