• 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.

  1. 所有超过US$100或包含 Pro Tech工具包的订单免费送货!


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

Yang Xia


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