• To access the hidden menu turn on projector.

  • Press Menu

  • Press Source and Enter at same time

  • You should see blank boxes appear at top of screen, use the left and right button to select them. Use the down button to enter, and the menu/exit button to exit.

  • For my projector Fan 3 was causing the overheating and shutdown with 155 errors. To find out which fan that is I found a service manual for the Benq W1070 at https://www.scribd.com/doc/208363905/Ben...

  • On page 130 it listed Fan 3 as the blower fan in the middle of the projector. Fan 1 is out front beside the lamp. Fan 2 is in back beside menu buttons. Fan 4 is on the side beside the lens system.

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Conclusão

To reassemble your device, follow these instructions in reverse order.

Yang Xia

Member since: 05-09-2016

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