Won't turn on

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Air Conditioning

Repair and troubleshooting guides for air conditioning units used in houses, offices, and cars.

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Trinkling Creek @trinklingcreek

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게시됨: 2026년 8월 11일

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Won't turn on

I have an older Danby, which I keep unplugged when not in use. When I plug it in, it beeps and the display shows for a second, then disappears. The power button doesn't turn it on. Unplugging and replugging gives the same result, a beep and a quick display of the last temp I had it set on, then it goes off again. Power button won't turn it back on. I've already tried the test and reset buttons on the power cord, which appear to be functioning properly.

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@trinklingcreek what is the exact model number for your AC?

oldturkey03 의 2026년 8월 11일

DPA120E1BDB. I've already checked the owner's manual. There is nothing about maintenance or troubleshooting.

Trinkling Creek 의 2026년 8월 12일

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DPA120E1BDB. I've already checked the owner's manual. There is nothing about maintenance or troubleshooting. — Trinkling Creek

Vertinhol @vertinhol 평판: 1.5k 8 5 · Answer 1 · 2026-08-11T14:16:29-07:00

Vertinhol @vertinhol

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Hello, it looks like the motherboard is shutting down for some reason, since you're unplugging it each time you want to turn it off, maybe you're preventing the AC from starting a proper shutdown sequence, perhaps the fan has to keep turning for around 30s to prevent moisture or condensation to form on the motherboard or some electronic part.

I think a good start is to reach the board and clean it if possible or jiggle it, just don't forget to unplug the cord and becarful of the capacitors they still can hold charge.

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Air Conditioning

Won't turn on

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