User Manual

17
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with any troubleshooting questions.
Symptom Cause Solution
Masking System will not operate.
Motor does not hum.
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 junction.
Check above. Tighten all loose wire connections.
Correct any improper connections.
Check for power across black and white leads.
Power at junction box
Thermal overload tripped.
Let motor cool down for 30 minutes. Try again.
Defective motor, limit switch or capacitor.
Replace motor assembly.
NOTE: Motor is a sealed assembly.
Capacitor burned out. Replace motor assembly.
Masking System does not stop at
correct position.
Limit switch is out of adjustment. See Limit Travel Adjustment section.
Noise.
NOTE: Masking Systems will operate
with a low-pitched hum.
Squeaking, rubber end plug rubbing on motor. Center roller in case.
Grinding. Foreign object in screen rubbing on
roller or fabric.
Remove.
Gear noise. Replace motor assembly.
Coasting. Defective Brake. Replace motor assembly.
Fabric hangs crooked.
Masking System not installed properly. Check for level and plumb.
Mask is damaged. Replace mask.
Troubleshooting