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Troubleshooting
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Symptom
Masking System will not operate.
Motor does not hum.
Masking System does not stop at
correct position.
Noise.
NOTE: Masking Systems will operate
with a low-pitched hum.
Coasting.
Fabric hangs crooked.
Cause
Incorrect line voltage.
Blown fuse.
Tripped circuit breaker.
No power to junction.
Power at junction box
Thermal overload tripped.
Defective motor, limit switch or capacitor.
Capacitor burned out.
Limit switch is out of adjustment.
Squeaking, rubber end plug rubbing on motor.
Grinding. Foreign object in screen rubbing on
roller or fabric.
Gear noise.
Defective Brake.
Masking System not installed properly.
Mask is damaged.
contact us by email at info@da-lite.com or 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 fuse.
Reset circuit breaker.
Check above. Tighten all loose wire connections.
Correct any improper connections.
Check for power across black and white leads.
Let motor cool down for 30 minutes. Try again.
Replace motor assembly.
NOTE: Motor is a sealed assembly.
Replace motor assembly.
See Limit Travel Adjustment section.
Center roller in case.
Remove.
Replace motor assembly.
Replace motor assembly.
Check for level and plumb.
Replace mask.
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