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Old 17-01-2021, 01:55   #1
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Join Date: Aug 2011
Location: Torrevieja, Spain
Boat: Beneteau Oceanis 46
Posts: 52
Marine Air System will not switch on

We have 2 Marine Air Systems, hot and cold air conditioning systems aboard, one is working fine, but today, the main cabin system wouldn't switch on at the controller.
The unit breaker has not tripped, however when I switch the main breaker off, then on, the controller lights up, I hear the electric's stitch on in the unit, then off again, and the controller goes dead.
Nothing in the manual about this
Any suggestions or help would be great
Ohh, and it was 6 degrees this morning
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Old 17-01-2021, 08:06   #2
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Join Date: Dec 2019
Location: Sugar Land, TX
Boat: 2000 Catalina 470 #058
Posts: 339
Re: Marine Air System will not switch on

Have you tried the full reset procedure. I will look it up when I go to boat later today and post. Also check your strainer.
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Old 17-01-2021, 08:22   #3
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Location: Southern California
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Re: Marine Air System will not switch on

Swap the control/display to the working unit and vice versa to isolate the issue further.
This will tell you if the board or the display are the issue.
Check the cable at both ends.
Compressor starts?
Are the digits in the display all 8's?
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Old 17-01-2021, 10:41   #4
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Location: Torrevieja, Spain
Boat: Beneteau Oceanis 46
Posts: 52
Re: Marine Air System will not switch on

The phone cable on the back of the controller was loose, so now he have HEAT, Thanks for all the help
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Old 18-01-2021, 12:27   #5
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Join Date: Jun 2010
Location: Michigan
Boat: Morgan 381 38 feet
Posts: 62
Re: Marine Air System will not switch on

I have the dometic air and mine did that. Domestic told me there is a light on board and if itís not on, board is bad. That was my problem
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