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 |
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Screen won't operate. |
| No 120V power available. | Check to see if the circuit breaker |
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| Outboard switching problem. | has switched off. Reset if needed. |
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| Check outboard switching apparatus. | |
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| Check voltage availability. Contact |
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| an electrician. |
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Screen won't roll up or down |
| Bad connection at switch. | Have an electrician or qualified |
(even though power is available). |
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| service person check the low voltage |
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| control |
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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 |
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| switch. | including all outboard wiring. |
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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 |
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| correct can damage motor and | thumbwheel. See pp. |
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| screen. Do not use the unit | manual. |
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| until this problem is resolved. |
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Screen drops when up direction |
| Drop in voltage. | Screen motor requires full voltage. |
is activated (grinding noise |
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| Have an electrician or qualified |
occurs). |
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| service person check available |
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| voltage. |
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Screen continues past bottom |
| Red extension thumbwheel is out | Readjust the red DOWN extension |
stop position. |
| of adjustment. | thumbwheel. See pp. |
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| manual. |
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Batten retracts too far into case. |
| Blue extension thumbwheel is | Have a qualified service person |
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| out of adjustment. Failure to | readjust the blue UP extension |
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| correct can damage motor and | thumbwheel. |
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| screen. Do not use the unit |
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| until this problem is resolved. |
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Dirt, finger prints, marks, etc. on |
| Improper handling of screen. | Brush off or use a mild detergent |
screen surface. |
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| solution with clean rag or cotton |
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| swab. |
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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. |
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12 | Stewart Filmscreen Corporation |
