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

Page 14

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

 

 

Outboard switching problem.

has switched off. Reset if needed.

 

 

Check outboard switching apparatus.

 

 

 

 

 

 

Check voltage availability. Contact

 

 

 

an electrician.

 

 

 

 

Screen won't roll up or down

 

Bad connection at switch.

Have an electrician or qualified

(even though power is available).

 

 

service person check the low voltage

 

 

 

control switch-line connections.

 

 

 

 

Screen roller chatters when

 

Can be caused by voltage drop,

Have an electrician or qualified

power is activated.

 

bad connections, or a defective

service person check all hook-ups

 

 

switch.

including all outboard wiring.

 

 

 

 

Unit hums in up mode. (Screen

 

The screen batten is retracting

Have a qualified service person

has already retracted.)

 

too far into the case. Failure to

adjust the blue UP extension

 

 

correct can damage motor and

thumbwheel. See pp. 9-10 of this

 

 

screen. Do not use the unit

manual.

 

 

until this problem is resolved.

 

 

 

 

 

Screen drops when up direction

 

Drop in voltage.

Screen motor requires full voltage.

is activated (grinding noise

 

 

Have an electrician or qualified

occurs).

 

 

service person check available

 

 

 

voltage.

 

 

 

 

Screen continues past bottom

 

Red extension thumbwheel is out

Readjust the red DOWN extension

stop position.

 

of adjustment.

thumbwheel. See pp. 9-10 of this

 

 

 

manual.

 

 

 

 

Batten retracts too far into case.

 

Blue extension thumbwheel is

Have a qualified service person

 

 

out of adjustment. Failure to

readjust the blue UP extension

 

 

correct can damage motor and

thumbwheel.

 

 

screen. Do not use the unit

 

 

 

until this problem is resolved.

 

 

 

 

 

Dirt, finger prints, marks, etc. on

 

Improper handling of screen.

Brush off or use a mild detergent

screen surface.

 

 

solution with clean rag or cotton

 

 

 

swab.

 

 

 

 

Indentations appear on screen

 

Debris or particles adhering to

Check back of screen; gently brush

surface.

 

screen due to static cling.

debris away by hand.

 

 

 

 

12

Stewart Filmscreen Corporation

Image 14
Contents Model B & Model C Electriscreens Stewart Filmscreen Corporation Contents To the Owner About your Model B/Model C Series ElectriscreenPreparing the Installation PreparationFactory Advisory UnpackingInstalling the unit Hanging the CaseElectrical HOOK-UP Making the connection Installing the low-voltage 3-button switch standardPreparing the connection Operating the Screen First time operationAdjusting the Screen Extension Underside viewModifying the extension of the screen Replacement parts and service Screen Care and CleaningGeneral maintenance Troubleshooting Problem description Probable cause Action to takeMaintenance Notes Fax 310