Da-Lite Cosmopolitan Electrol - Manual (Page 7)

7
Troubleshooting
Symptom Cause Solution
Screen will not operate.
Motor does not hum.
Motor hums.
Incorrect line voltage.
Verify 115-125V (or 220-240V). If insufficient voltage, rewire
incoming electric line.
Blown fuse. Replace fuse.
Tripped circuit breaker. Reset circuit breaker.
No power to operating switch or junction.
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.
Power at junction box.
Thermal overload tripped.
Let motor cool down for 15 minutes. Try again.
Broken wire in the “up” or ”down” position. Check for continuity. Cut off old splice and reconnect.
Defective motor, limit switch or capacitor..
Replace motor assembly.
NOTE: Motor is a sealed assembly..
Capacitor burned out. Replace motor assembly.
Incorrect stopping position in
downward direction.
Lost roller wrap. See instructions below.
“Down” limit switch out of adjustment. See installation instructions.
Incorrect stopping position in
upward direction.
Lost roller wrap. See instructions below.
“Up” limit switch out of adjustment. Adjust “up” limit switch. Call factory for instructions.
Noise.
NOTE: Screen will operate
with a low pitched hum.
Gear noise. Replace motor assembly.
Coasting. Defective brake. Replace motor assembly.
Roller displaced from mounting
bracket.
Pin end slipped out of nylon bearing. Realign pin end bracket.
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.
Visit www.da-lite.com to find installation and troubleshooting
tutorials. You will also find a link to Live Chat for interactive
support and you can contact us by email at [email protected] or by
phone at (800) 622-3737 or (574) 267-8101 with any
troubleshooting questions.