Da-Lite 34502L Handbuch PDF herunterladen (Seite 7)

Troubleshooting

Symptom Cause Solution

Screen will not operate.

Motor does not hum.

Motor hums.

Incorrect line voltage.

Verify 115125V (or 220240V). If insuicient 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 “up” or ”down” position. Check for continuity. Cut o old splice and reconnect.

Defective motor, limit switch or capacitor.

Replace motor assembly.

NOTE: Motor is a sealed assembly.

Temporary binding. With power “o”, 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. Contact Da-Lite at 8006223737 or 5742678101.

Incorrect stopping position in

upward direction.

“Up” limit switch out of adjustment. Contact Da-Lite at 8006223737 or 5742678101.

Noise.

NOTE: Screen will operate

with a low pitched hum.

Gear noise. Replace motor assembly.

Coasting. Defective brake. Replace motor assembly.

Roller displaced from

mounting bracket.

Pin end slipped out of nylon bearing. Realign pin end bracket.

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) 6223737 or (574) 2678101

with any troubleshooting questions.

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