Da-Lite HORIZON ELECTROL Instrukcja obsługi - Strona 6

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Troubleshooting

Symptom

Screen or mask will not operate.

Motor does not hum.

Motor hums.

Image on screen does not

match picture area.

Noise.

NOTE: Screen will operate with

a low pitched hum.

Coasting.

Fabric hangs crooked.

Cause

Blown facility fuse.

Tripped facility circuit breaker.

No power to control board in junction box.

Loose control wire connections.

Power at junction box

Thermal overload tripped.

Defective motor.

Temporary binding.

Screen not set to the correct format.

Screen or mask out of adjustment.

Grinding. Foreign object in screen rubbing on roller

or fabric.

Defective brake..

Screen not installed properly.

Fabric has backed up inside case.

Fabric is damaged..

Solution

Replace facility fuse.

Reset facility circuit breaker.

Check above. Tighten all loose wire connections.

Correct any improper connections.

Check all T4 and T6 wire connections - see wiring diagram.

Let motor cool down for 15 minutes. Try again.

Replace motor assembly.

NOTE: Motor is a sealed assembly.

With power off, turn roller by hand to free binding.

Set screen to the format being projected.

See screen adjustment. We recommend you have your

dealer make these adjustments for you.

Remove.

Replace motor assembly..

Check for level and plumb.

Lower screen and carefully pull fabric to remove

any slack on the roller.

Replace fabric.