Stewart Filmscreen
– Cabaret
34
TROUBLESHOOTING
Refer to the following guidelines if you encounter any difficulty in the operation of your Stewart
screen. Problems related to electrical or motor function may require a qualified service person or
electrician. Should you have a problem that is not addressed below, please call Stewart Filmscreen
at 1 (310-784-5300) or toll free 1 (800-762-4999) for assistance.
Problem
Cause
Action Steps
The screen won't operate
No AC power available
Check to see if the circuit
breaker has switched off.
Reset if needed. Check the
outboard switching apparatus.
Check voltage availability.
Contact an electrician
The screen won't roll up or
down (even though power is
available)
Bad connection at the switch.
Polarity of IMC line may be
bad
Have an electrician or
qualified service person check
control board connections
The screen roller chatters
when power is activated
Can be caused by voltage
drop, bad connections, or a
defective switch
Have an electrician or
qualified service person check
all hookups including outboard
wiring
The unit hums in
“up” mode
The screen batten is retracting
too far into the case. Failure to
correct can damage the motor
and the screen. Do not use the
unit until this problem is
resolved
Have a qualified service
person adjust the
“Yellow” UP
limit switch
The screen drops when
“up”
direction is activated
Could be a drop in voltage
Screen motor requires full
voltage. Have an electrician
or qualified service person
check available voltage
The screen continues past
bottom stop position
“White” limit switch is out of
adjustment
Readjust the
“White” down
limit switch. See the section on
Adjusting Screen Deployment
of this manual (Page 24)
The batten retracts too far
into case
“Yellow” limit switch is out of
adjustment. Failure to correct
can damage motor and
screen. Do not use the unit
until the problem is resolved
Have a qualified service
person adjust the
“Yellow up”
limit switch
