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Old 07-30-2014, 04:51 PM   #1
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The Dreaded Dometic AC Error Code E1

We had a recent monsoon lighting storm and my Dometic Brisk Air AC, located in the living area, is now displaying the dreaded E1 Error Code. It means the thermostat has lost communication with the control board located in the AC unit. It was not on at the time. I also have a Dometic Penguin in the bedroom and it set off the smoke alarm and will not cool anymore. I think it lost it's freon causing this. It was on at the time. I switched the two thermostats (identical) and still get the E1 code. The Penguin will run and blow air (not cold) so I'm thinking of swapping the control boards (identical) to see if it will fix the living room unit. But before I do this, does anyone know if their is a 12 volt fuse anywhere that I should be checking first? Some boards have one on the circuit board itself but I don't see one on this unit. I have checked all 12 volt fuses and circuit breakers on the power panel and all are good. Any help is appreciated. It's hot here (110)!
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Old 08-03-2014, 08:49 AM   #2
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What model brisk air?
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Old 08-03-2014, 04:39 PM   #3
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Dometic Brisk I, 15,000 btu, 459516.701CO. Thanks for asking.
I ended up replacing the circuit board to fix it. It got fried during the storm. There was no fuse mounted to the old board.


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Old 08-03-2014, 06:37 PM   #4
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Was the board actually smoked? If not, on the board at the incoming voltage point is a smd device thats the fuse. it looks like a capacitor. Thats the way it was on mine anyway.
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Old 08-03-2014, 06:49 PM   #5
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Yes. It had a pretty significant burned area under one of the components on the bottom side of the circuit board. The AC was not on at the time of the lightening spike. The power of mother nature at her finest.
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Old 08-10-2014, 11:44 AM   #6
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Mine did this and we found one of the shore power breakers tripped.
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Old 08-27-2014, 08:18 PM   #7
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You are lucky you know how to fix things like that. I have to rely on a surge protector.
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