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Old 07-17-2018, 01:57 PM   #1
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Air conditioner blowing fuses

Any body have any idea of why this would happen? Fr3 2015
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Old 07-17-2018, 02:07 PM   #2
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A little more information would help. Fuses protect the 12VDC side of the system while breakers protect the 120VAC side of the system. Which breaker is tripping? What is running?
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Old 07-17-2018, 02:09 PM   #3
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The ac breaking is popping and we are plugged into shore power it is 30 degrees Celsius outside.
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Old 07-17-2018, 04:36 PM   #4
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Quote:
Originally Posted by colourful64 View Post
The ac breaking is popping and we are plugged into shore power it is 30 degrees Celsius outside.
I have a 2015 30DS.
I moved the dedicated breaker for the A/C in the bedroom panel to one of the unused spots in the panel. Too much heat positioned directly next to other breakers. That eliminated my constant tripping of the breaker on hot days. I got the info off this forum.
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Old 07-17-2018, 05:02 PM   #5
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Originally Posted by leisurelarry View Post
I have a 2015 30DS.
I moved the dedicated breaker for the A/C in the bedroom panel to one of the unused spots in the panel. Too much heat positioned directly next to other breakers. That eliminated my constant tripping of the breaker on hot days. I got the info off this forum.
Same here. $5 home depot trip fixed it another FR shortcut.
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Old 07-17-2018, 07:54 PM   #6
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I had the same problem last year at the BAMAGANZA 2017 Rally (20A breaker would not stay latched). The FR Rep. participating in the Rally had me swap out the Siemens 20A breaker with a Square D breaker. No more problems!

The Rep indicated FR has had numerous issues with the Siemens breakers and suggested changing all the breakers to Square D brand. Heat was definitely one of the contributing factors to the failures.
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Old 07-18-2018, 09:34 PM   #7
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Similar issue - dfferent issue

We had a similar issue just a few days ago. Turned out the shore power was at fault. First tried running with just generator and worked well. Then moved to another spot, no more issues.
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Old 08-10-2018, 01:08 PM   #8
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I had the same problem in my 2015 FR3. I agree with others that moving the AC breaker is a great long term fix, but, I found a faster solution that worked for me. I run my frig on gas (not ac power) and my breaker never trips anymore.
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Old 08-12-2018, 03:27 PM   #9
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Ac breaker problem

My 2015 DS30 had the main 30 amp and the ac 20 amp in the same one-inch breaker. Removed that stupid breaker and gave the main 30 amp it's own one-inch breaker and moved the ac down to the open space and gave it it's own 20 amp one-inch breaker and I have never had another problem. An. that is in south Texas.
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