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Electrical Discussion of preventative/corrective maintenance and other technical issues regarding your coach's electrical system.

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  #1  
Old 08-06-2012
JoeCich JoeCich is offline
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Question Electrical Box Contents

Working on trying to fix the GFCI triipping problem on our coach. Opened the maiin breaker box and determined the neutral is bonded to the ground. But while I was working in the closet I started wondering what the other covers in the closet were for. I took off the cover below the mian breaker panel and to the right of the 30 amp mains, and inside the box it looks like a pair of relays. Is this the automatic transfer switch for the inverter? Can this cause the GFCI's to trip? Thanks, Joe
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1985 FC31
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Old 08-06-2012
ejallison1 ejallison1 is offline
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I think those may be the relays for your air conditioning units. I am assuming you have two AC units since you have a FC 31-therefore you have two relays. The switches (two) up above the drivers seat labeled "AC" work those relays. See if someone can flip those switches for you while connected to shore power while you listen to confirm this. They are in the same location in my unit.
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Ed Allison
1986 PT 40
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Kansas, Il
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  #3  
Old 08-06-2012
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re-check that neutral bonding , could be a problem there.
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Old 08-06-2012
papadbh papadbh is offline
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Ed, I too have the rocker switches labeled A/C up front in my coach. I was wondering what they are there for? Mine do not seem to work at all. Any thoughts?
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Old 08-06-2012
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sfedeli sfedeli is offline
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The GFCI breakers can be problematic and do not have a long life span. I recommend getting a new one. Mine was also faulty when I bought our '85 coach. The GFCI breaker only goes to the outlet near the mirror in the bathroom and the outlet near the propane tank on the outside of the coach. Since replacing the breaker, I have not had any issues with it tripping. You can also check the outside outlet just to make sure that there are not any ground issues there.

The large relays are for the middle and rear A/C units and Electric heaters. They are triggered by the toggle switches over your head in the driver's seat.
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  #6  
Old 08-06-2012
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GreenBird GreenBird is offline
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Pretty sure neutral is bonded to ground at the generator. When transfer switch is in Shore Power position neutral is not bonded to ground at the coach - it should be bonded at the campground source.
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Leonard Campbell
Trufant, MI
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  #7  
Old 08-06-2012
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Quote:
Originally Posted by JoeCich View Post
Working on trying to fix the GFCI triipping problem on our coach. Opened the maiin breaker box and determined the neutral is bonded to the ground. But while I was working in the closet I started wondering what the other covers in the closet were for. I took off the cover below the mian breaker panel and to the right of the 30 amp mains, and inside the box it looks like a pair of relays. Is this the automatic transfer switch for the inverter? Can this cause the GFCI's to trip? Thanks, Joe
Joe,
I assume the GFCI's that are tripping are the shore power ones? Most all of the Birds trip shore power GFCI breakers. Some folks have solved their issues, others like me haven't found the problem yet. I need to start at the transfer switch and work my way through the system. I am suspicious of the Safeline warning system on mine.
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86 PT-36 Golden Memories (sold)
83FC35 SB $IXTEEN TON$ SOLD
78 FC 33 Happinest (Sold)
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Old 08-06-2012
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I remember other posts saying the green power OK LEDs draw enought current to trip a GFCI on the campground side.
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  #9  
Old 08-06-2012
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Bill Pape Bill Pape is offline
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Quote:
Originally Posted by GreenBird View Post
I remember other posts saying the green power OK LEDs draw enought current to trip a GFCI on the campground side.
Joe ,

if your Bird has the polarity lights in the AC cord hookup box, they will trip the GFI at the pedestal. There is an upgrade for this issue.
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