Troubleshooting - Da-Lite COSMOPOLITAN ELECTROL Instruction Book

TROUBLESHOOTING

SYMPTOM
1. Screen will not operate.
Motor does not hum.
Motor hums.
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.
6. Roller displaced from mounting
bracket.
Printed in U.S.A.
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 "up" or "down"
position.
(f) Defective motor, limit switch or
capacitor.
(g) Temporary binding.
(h) 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) Squeaking rubber end plug
rubbing on motor.
(b) Grinding due to foreign object in
screen rubbing on roller or fabric.
(c) Gear noise.
(a) Defective brake.
(a) Pin end slipped out of nylon
bearing.
RESTORING LOST ROLLER WRAP
1. Push strap over back of roller.
2. Tape end of strap to pocket.
3. Feed fabric as you pull strap to
draw fabric over top.
4. Remove tape and strap.
7
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) With power "off", turn roller by
hand to free binding.
(h) Replace motor assembly.
(a) See instructions below.
(b) See installation instructions.
(a) See instructions below.
(b) Adjust "up" limit switch. Turn
clockwise to expose more fabric.
See installation instructions
(a) Adjust roller to center of case.
(b) Remove foreign object.
(c) Replace motor assembly.
(a) Replace motor assembly.
(a) Remove pin end mounting.
Re-align motor in tube. Re-attach
pin end.
46832 Rev. 1/08