Stewart Filmscreen Corp C Troubleshooting, Problem description Probable cause Action to take

TROUBLESHOOTING

Refer to the following guidelines if you encounter a difficulty in the operation of your Stewart Filmscreen. 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 the Stewart

Filmscreen Corporation.

Problem description	Probable cause	Action to take
Screen won't operate.	No 120V power available.	Check to see if the circuit breaker has switched
		off. Reset if needed.
		Check voltage availability. Contact an
		electrician.
Screen won't roll up or	Bad connection at switch.	Have an electrician or qualified service person
down (even though power		check the connection as follows:
is available).		· If you have a high voltage control switch,
		check switch-line connections.
		· If you have a low voltage control unit, check
		switch-line connections.
		· If you have a screen trigger interface, check
		line connections, or the mini-plugs at the
		screen input or projector output. Contacts may
		be sticking—tap relay to free contacts.
Screen roller chatters	Can be caused by voltage	Have an electrician or qualified service person
when power is activated.	drop, bad connections, or a	check all hook-ups including all outboard wiring.
	defective switch.
Unit hums in up mode.	The screen batten is	Have a qualified service person adjust the
(Screen has already	retracting too far into the	yellow UP limit switch. Turn the adjusting screw
retracted.)	case. Failure to correct	clockwise.
	can damage motor and
	screen. Do not use the
	unit until this problem is
	resolved.
Screen drops when up	Drop in voltage.	Screen motor requires full voltage. Have an
direction is activated		electrician or qualified service person check
(grinding noise occurs).		available voltage.
Screen continues past	White limit switch is out of	Readjust the white DOWN limit switch. Turn the
bottom stop position.	adjustment.	adjusting screw clockwise.
Batten retracts too far into	Yellow limit switch out of	Have a qualified service person readjust the
case.	adjustment. Failure to	yellow UP limit switch. Turn the adjusting screw
	correct can damage	clockwise.
	motor and screen. Do not
	use the unit until this
	problem is resolved.
Dirt, finger prints, marks,	Improper handling of	Brush off or use a mild detergent solution with
etc. on screen surface.	screen.	clean rag or cotton swab.
Indentations appear on	Debris or particles adhering	Check back of screen; gently brush debris away
screen surface.	to screen due to static cling.	by hand.

Luxus A/SR-1 Electriscreen: Owner’s Manual 17