Optoma HD72i Odd noise then shutdown issue?

Discussion in 'Projectors, Screens & Video Processors' started by Couchlizard, Apr 15, 2018.

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  1. Couchlizard

    Couchlizard
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    Hi, I have this issue with my HD72i, it makes an odd screeching noise then shuts down, and the red 'lamp' warning light comes on.
    So, lamp blown you'd think? But it will restart and run some more until the same happens again.
    Generally the run time gets shorter each time, so maybe a temperature issue??
    Its done about 2200Hrs on its second lamp (I admit, a Chinese cheapy), and the colour wheel has also been changed.
    I don't understand how the lamp can be anything other than working or blown??

    Anyone else had this issue?
    Thanks
     

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