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5. Troubleshooting

Image 5-41

Code 7733: “Engine switch open” (Error)

Situation Solution

The Light p rocessor is not correctly

installed.

Check if the Light processor is properly installed. Make sure that all three ﬁxation scr e w s

(reference 1, 2 & 3 ) of the Light processor a re fastened. S ee installation p rocedure

"Installing th e Light Processor", page 196.

Defect micro switch.

Replace the micro switch.

Wire unit of the m icro switch

(reference 6 image 5-4 2 )

disconnected from the Power

distribution boar d.

Check if the wire unit (reference 6 image 5-42) is plugged in the Power Distribution board.

Image 5-42

Code 7800: “2.5V voltage high” (Error)

Situation Solution

Malfunction Fan Control B oard. Replace the Fan Control Board. See "Replacing the Fan control board", page 278.

Code 7801: “2.5V voltage low” (Error)

Situation Solution

Malfunction Fan Control B oard. Replace the Fan Control Board. See "Replacing the Fan control board", page 278.

Code 7802: “12V voltage low” (Error)

Situation Solution

Malfunction Switched mode power

supply

Check the 12 V LED on the S MP S board. Replace SMPS board.

Short circuit or bad connection. Check projector wiring for short circuits o r bad connections.

R5905312 HDF W SERIES 24/01/2013 73

Barco HDF W series Service Manual

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