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Old 06-01-2014, 10:20   #1
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Air conditioner electrical issue

Hey I just had one of my marine air units stop working. I think it is just the breaker on the panel but am not sure. First the signal light is out on the panel and when you try to turn it on the on/off button does is not activating or powering on. I know the unit is working because I had it inspected recently.
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Old 06-01-2014, 10:33   #2
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Is this a pushbutton breaker? If so they're easy to replace. But are you sure it's not tripping from over current?
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Old 06-01-2014, 11:11   #3
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Re: Air conditioner electrical issue

It is a switch breaker. The switch did not turn off, I was away and the unit was off and when I went to turn it on it would not go on. So I'm thinking the first thing to try would be to replace the breaker, since the light beside the breaker is not on.
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Old 06-01-2014, 11:29   #4
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Re: Air conditioner electrical issue

Some of these also have a push-button breaker on the compressor unit itself to shut off in case of high pressure. It is usually red and rubber-coated.

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Old 06-01-2014, 11:36   #5
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Re: Air conditioner electrical issue

Quote:
Originally Posted by edbulmer View Post
It is a switch breaker. The switch did not turn off, I was away and the unit was off and when I went to turn it on it would not go on. So I'm thinking the first thing to try would be to replace the breaker, since the light beside the breaker is not on.
Sounds like there is no power to the breaker. Is there another main breaker that feeds the one on the panel. Do you run a dedicated shore power cord for the AC? Maybe the breaker on the shore pedestal is tripped or the cord is loose? Do you have a meter to test if there is power to the circuit?
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Old 06-01-2014, 11:44   #6
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Re: Air conditioner electrical issue

There is power to both sides of the panel, everything else is working except that one breaker to that ac unit. We have the other two ac units on right now.
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Old 06-01-2014, 12:37   #7
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Re: Air conditioner electrical issue

Check the voltage under load--the last AC problem I had was fixed by cleaning up the contacts on the shore power cord and plugging into a different pedestal.
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Old 06-01-2014, 12:53   #8
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Re: Air conditioner electrical issue

It seems there is power going to the conrtol unit, when I press the fan button it lights up for a second and then turns off. Perhaps it's just the control unit?
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Old 06-01-2014, 13:20   #9
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Re: Air conditioner electrical issue

Try swapping the control panel with a working one from another of your units.
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Old 06-01-2014, 13:43   #10
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Re: Air conditioner electrical issue

yeah, was thinking of that
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Old 06-01-2014, 13:52   #11
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Re: Air conditioner electrical issue

But you said the light next to the breaker isn't on. I think you need to figure that out first...LL
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Old 06-01-2014, 14:30   #12
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Re: Air conditioner electrical issue

It is on now after cleaning things up. Next to check are the fuses on the unit.
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Old 13-01-2014, 19:36   #13
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Air conditioner electrical issue

I know the mermaid product. There is a reset button. If the water pump does not provide enough cooling water the unit shuts off and then you have to reset. The manual should give u troubleshooting instructions. Online might be found.
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