Make a buzzing noise and power down ?
Had the same problem they say there should have been a kit to handle the noise from the wheel barring in the fan...if you complain they will get you one... i needed a new light engine...notice no fan noise.....which i thought was normal...repair man said no. was not....new light engine come with a kit that blocked that fan noise.
If is is the fan it is because there is another part they needed to put in to keep the noise from the wheel barings coming through...there is some kind of kit ...i know cause i needed a new light engine and notice no noise from the fan... repairman said they now come with a kit that surpresses the fan noise.
The buzzing noise would normally be either a fan or color wheel that is failing.
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