Stewart Audio Gemini, Owner'S Manual

Page: 14 / 18

14 Stewart Filmscreen
TROUBLESHOOTING
Refer to the following guidelines if you encounter a difficulty in the operation of your Stewart Filmscreen
Gemini Problems related to electrical or motor function may require a qualified service person or
electrician Should you have a problem that is not addressed here, call Stewart Filmscreen (310)784-5300
or Tool free: (800) 762-4999
Problem Cause Action Steps
Screen won’t operate No AC power available Check to see if the circuit
breaker has switched off Reset
if needed Check outboard
switching apparatus Check
voltage availabilty Contact an
electrician
Screen won’t roll up or down
(even though power is avail-
able) Bad connection at connectors
Polarity of STI signal may be
reversed Reverse polarity
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 hook-
ups including outboard wiring
Unit hums in up mode The screen batten is retracting
too far into the case Failure to
correct can damage motor and
screen Do not use the unit until
this problem is resolved Have a qualified service per-
son adjust the Yellow UP limit
switch
Screen drops when up direc-
tion is activated White DOWN limit switch is out
of adjustment Re-adjust the White DOWN
limit switch See the section on
Adjusting the Screen
Batten retracts too far into
case Yellow UP 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 per-
son adjust the Yellow UP limit
switch