Da-Lite TENSIONED PROFESSIONAL ELECTROL, Instruction Book

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5
TROUBLESHOOTING
SYMPTOM
1. Screen will not operate.
Motor does
not hum.
2. Incorrect stopping position in
downward direction.
3. Incorrect stopping position in
upward direction.
4. Noise.
NOTE: Screen will operate with a
low pitched hum.
5. Coasting.
CAUSE
(a) Blown fuse.
(b) Tripped circuit breaker.
(c) No power to operating switch
or junction.
Power at junction box
(d) Thermal overload tripped.
(e) Broken wire in the “down” or “up”
position.
(f) Defective motor, limit switch or
capacitor.
(g) Capacitor burned out.
(a) Lost roller wrap.
(b) “Down” limit switch out of
adjustment
(a) Lost roller wrap.
(b) “Up” limit switch out of
adjustment
(a) Gear Noise.
(a) Defective brake.
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.
SOLUTION
(a) Replace fuse.
(b) Reset circuit breaker.
(c) 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.
(d) Let motor cool down for 15
minutes. Try again.
(e) Check for continuity. Cut off old
splice and reconnect.
(f) Replace motor assembly.
NOTE: Motor is a sealed assembly.
(g) Replace motor assembly.
(a) See instructions below.
(b) See installation instructions.
(a) See instructions below.
(b) Adjust “up” limit switch. See
installation instructions
(a) Replace motor assembly.
(a) Replace motor assembly.