Da-Lite LARGE ADVANTAGE DELUXE ELECTROL 지침서 - 페이지 7

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Da-Lite LARGE ADVANTAGE DELUXE ELECTROL 지침서

TROUBLESHOOTING

SYMPTOM
1. S creen will not operate or will not go
"down".
Motor does not hum.
Motor hums.
2. Screen will not move upward.
Motor does not hum.
Motor hums.
CAUSE
(a) I ncorrect line voltage.
(b) B lown facility fuse.
(c) T ripped facility circuit breaker.
(d) N o power to operating switch or
junction box.
(e) Low voltage board has no power or
blown transformer.
Power at junction box.
(f) Thermal overload tripped.
(g) Broken wire in the "down" position.
(h) D efective motor, limit switch or
capacitor.
(i) C apacitor burned out.
(a) I ncorrect line voltage.
(b) B lown facility fuse.
(c) Tripped facility circuit breaker.
(d) No power to operating switch or
junction box.
(e) Low voltage board has no power or
blown transformer.
(f) Open door limit switch.
Power at junction box
(g) T hermal overload tripped.
(h) Broken wire in the "up" position.
(i) Defective motor, limit switch or
capacitor.
(j) Capacitor burned out.
6
SOLUTION
(a) V erify 115-125V (or 220-240V). If
insufficient voltage, rewire incoming
electric line.
(b) R eplace facility fuse.
(c) R eset facility circuit breaker.
(d) C heck above. Tighten all loose wire
connections. Recheck wiring. See
installation instructions.
(e) R eplace low voltage board.
"Down" Position
Check for power across black and
white leads.
(f) L et motor cool down for 15 minutes.
Try again.
(g) C heck for continuity.
(h) R eplace motor assembly.
N OTE: Motor is a sealed assembly.
(i) Replace motor assembly.
(a) V erify 115-125V (or 220-240V). If
insufficient voltage, rewire incoming
electric line.
(b) R eplace facility fuse.
(c) R eset facility circuit breaker.
(d) C heck above. Tighten all loose wire
connections. See above.
(e) R eplace low voltage board.
"Up" Position
C heck for power across red and
white leads.
(f) Replace switch.
(g) L et motor cool down for 15 minutes.
Try again.
(h) C heck for continuity.
(i) R eplace motor assembly.
N OTE: Motor is a sealed assembly.
(j) Replace motor assembly.