Da-Lite Dual Masking Electrol 지침서 - 페이지 7
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페이지 인쇄Troubleshooting
Symptom
Screen will not operate.
Motor does not hum.
Incorrect stopping position in
downward direction.
Incorrect stopping position in
upward direction.
Noise.
NOTE: Screen will operate
with a low pitched hum.
Coasting.
Restoring Lost Roller Wrap
1.
Tape a strap to the bottom of the screen surface.
2. Push strap over back of roller.
3. Feed fabric as you pull strap to draw fabric over top of roller.
4. Remove tape and strap.
Cause
Incorrect line voltage.
Blown fuse.
Tripped circuit breaker.
No power to operating switch or junction.
Power at junction box.
Thermal overload tripped.
Broken wire in the "down" or "up" position.
Defective motor, limit switch or capacitor.
Capacitor burned out.
Lost roller wrap.
"Down" limit switch out of adjustment.
Lost roller wrap.
"Up" limit switch out of adjustment.
Gear Noise.
Defective brake.
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.
"Down" Position
Check for power across black and white leads.
"Up" Position
Check for power across red and white leads.
Let motor cool down for 15 minutes. Try again.
Check for continuity. Cut off old splice and reconnect.
Replace motor assembly. NOTE: Motor is a sealed assembly.
Replace motor assembly.
See instructions below.
See installation instructions.
See instructions below.
Adjust "up" limit switch. See installation instructions
Replace motor assembly.
Replace motor assembly.
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