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Da-Lite HORIZON ELECTROL にも：取扱説明書 (8 ページ)

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TROUBLESHOOTING

SYMPTOM

1. Screen or mask will not operate.

Motor does not hum.

Motor hums.

2. Image on screen does not match

picture area.

3. Noise.

NOTE: Screen will operate with a

low-pitched hum.

4. Coasting.

5. Fabric hangs crooked.

CAUSE

(a) Blown facility fuse.

(b) Tripped facility circuit breaker.

box.

(d) No power to bus interface unit.

(e) Loose control wire connections

Power at junction box

(f) Thermal overload tripped.

(g) Transformer not plugged in.

(h) Defective motor.

(i) Temporary binding.

(a) Screen not set to the correct

format.

(b) Screen or mask out of

adjustment.

(a) Grinding. Foreign object in screen

rubbing on roller or fabric.

(a) Defective brake.

(a) Screen not installed properly.

(b) Fabric has backed up inside case.

SOLUTION

(a) Replace facility fuse.

(b) Reset facility circuit breaker.

wire connections. Recheck

wiring. See installation

instructions.

(d) Make sure transformer is

connected to bus interface – see

wiring diagram.

Defective transformer – replace.

(e) Check all T4 and T6 wire

connections – see wiring

diagram.

(f) Let motor cool down for 15

minutes. Try again.

(g) Plug transformer into receptacle

on non-motor end of screen.

(h) Replace motor assembly.

NOTE: Motor is a sealed assembly.

(i) With power "off," turn roller by

hand to free binding.

(a) Set screen to the format being

projected.

(b) See screen adjustment. We

recommend you have your dealer

make these adjustments for you.

(a) Remove.

(a) Replace motor assembly.

(a) Check for level and plumb.

(b) Lower screen and carefully pull

fabric to remove any slack on the

roller.