Troubleshooting - Da-Lite ASCENDER ELECTROL Instruction Book

TROUBLESHOOTING

SYMPTOM
1. S creen will not operate or will not
go "down".
Motor does not hum.
Motor hums.
2. Screen will not move "up"
Motor does not hum
Motor hums.
CAUSE
(a) Tripped circuit breaker.
(b) N o power to operating switch
or junction.
Power at junction box
(c) T hermal overload tripped.
(d) Broken wire in the "down"
position.
(e) D efective motor, limit switch or
capacitor.
(f) Capacitor burned out.
(a) Tripped circuit breaker.
(b) No power to operating switch
or junction.
Power at junction box
(c) Thermal overload tripped.
(d) Broken wire in the "up"
position.
(e) Defective motor, limit switch
or capacitor.
(f) Capacitor burned out.
6
SOLUTION
(a) Reset circuit breaker.
(b) Check above. Tighten all loose
wire connections. Correct any
improper connections.
"Down" Position
C heck for power across black
and white leads.
(c) Let motor cool down for 15
minutes. Try again.
(d) Check for continuity. Cut off old
splice and reconnect.
(e) R eplace motor assembly.
NOTE: Motor is a sealed assembly.
(f) Replace motor assembly.
(a) R eset circuit breaker.
(b) C heck above. Tighten all loose
wire connections. Correct any
improper connections.
"Up" Position
Check for power across red and
white leads.
(c) Let motor cool down for 15
minutes. Try again.
(d) Check for continuity. Cut off old
splice and reconnect.
(e) R eplace motor assembly.
NOTE: Motor is a sealed assembly.
(f) R eplace motor assembly.