Runco Q750 shuts off automatically - AVS Forum | Home Theater Discussions And Reviews
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post #1 of 6 Old 01-01-2020, 08:34 PM - Thread Starter
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Runco Q750 shuts off automatically

i have a runco q750 that will shut off automatically after couple minutes but the auto-shut off feature is turned off. need help diagnosing.
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post #2 of 6 Old 01-01-2020, 09:05 PM
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overheating? when facing the lens, the intakes are on the right side and the exhaust on the left, how warm is the air coming out of the exhaust?

You can try removing the cover and blowing out the unit with compressed air or an electric duster.
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post #3 of 6 Old 01-01-2020, 11:11 PM - Thread Starter
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not overheating. its cold when it does this. but i just tried again and the green light is on, then i turn it on with the remote and hear a beep, red light comes on for a second then goes to green and doesnt turn on at all.
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post #4 of 6 Old 01-02-2020, 04:05 PM
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Hmm.. Had you looked at the error codes in the manual? several are for fans or temperature sensors
page 83
https://www.projectorcentral.com/pdf...anual_5183.pdf

Maybe take the case off and confirm all fans are running. It doesnt sound like the led is flashing red so the sensors are ok. Try starting the projector with no signal cables(hdmi) attached, or try a different hdmi input.
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post #5 of 6 Old 01-06-2020, 07:30 AM
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Quote:
Originally Posted by bdht View Post
overheating? when facing the lens, the intakes are on the right side and the exhaust on the left, how warm is the air coming out of the exhaust?

You can try removing the cover and blowing out the unit with compressed air or an electric duster.
Better not do that, any dust inside will be aggressively pushed around inside the projector and might end up in the optical parts. If there is dust clogging any part of the projector, brush it off while vacuuming, or remove the part before using compressed air. Anyway, according to the OP, it doesn't seem to be an overheating issue.
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4,3 x 2,8m semi-blacked out media room | 2010 MacMini > Pioneer VSX-520-K > JVC RS50 (X7) > 107", 1.1 gain, white screen | JVC X30 (RS45)
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post #6 of 6 Old 01-12-2020, 05:59 PM - Thread Starter
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i dont know how to test the rs232 codes
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