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Old 04-24-2018, 11:32 PM   #1
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Zone 1 AC Error code 07

My Zone 2 Air Condirioner is working fine but Zone 1 Air Condition/heat pump is displaying error code 07, no 120v to the power board. The 10amp dc fuse for the air conditioner is good. Does anyone know where the 120 VAC fuse or circuit breaker would be located in my 2011 Berkshire 360 FWS? photos attached for reference. Should I try to reset my dometic controller?Click image for larger version

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Old 04-25-2018, 04:08 AM   #2
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Do you have 120v to other appliances ? If so there should be a breaker box, which looks like a domestic item, mine is in the bathroom closet. There will be a breaker labeled "front AC"
I sometimes get the E7 error when first plugging in, before my surge protector has linked the pedestal with the coach.
Sorry I don't know the location of the breaker box, it should be in your manual.
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Old 04-25-2018, 10:11 AM   #3
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There should be 2 breakers on the panel of your generator. Check for one of those being tripped. I had these very thing happen to me.
Good luck!
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Old 04-25-2018, 08:01 PM   #4
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So checked the manual and it says there are 120V circuit breakers but does not give a location. Checked the circuit breaker on the generator and it appears to be on the on position. I'm running off shore power. Thinking about calling the dealer to see if they would know where the 120V circuit breakers would be located...I think I have search everywhere I could imagine they'd be.
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Old 04-25-2018, 08:05 PM   #5
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I have a 7000 Cummins/Onan, they are on the generator panel behind the door. Good luck on correcting the issue!
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Old 04-27-2018, 08:47 AM   #6
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Our E7 error ended up being a bad communication cable, Cat 5 or 7. The dealership finally found it. They originally thought it was the telephone type connector. We have a 17 Berkshire XL just purchased last month. Can't believe these things have so many issues right out of the box!!!
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Old 04-28-2018, 05:59 AM   #7
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There will be two CBs; one for each A/C unit.

You KNOW that there is a panel in your coach, so make another scan. In most cases a circuit breaker for 120V will be close to the power source so that the manufacturer can save the cost of cable, so it is likely within 10' of where SP enters the coach.

Does your bed tilt up?
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Old 04-30-2018, 07:57 AM   #8
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On our '13 Winnebago Adventurer, we also had circuit breakers inside the storage compartment beside the entry door. Check in all of your storage areas, they like to hide them...
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Old 05-01-2018, 08:44 PM   #9
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Yep, the breaker panel was under the bed. AC was tripped. Everything working now. Ready for our trip week after next. Thanks everybody...
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Old 05-05-2018, 05:59 AM   #10
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I had the same problem, turned out my compressor was bad and needed a new unit installed. Check the amp draw. Good luck
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Old 12-27-2020, 09:40 AM   #11
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Same issue as above my gen is a cummins o an RVQG7000 error code on thermostat is E7 checking gen it tripped the 30 amp switch.reset switch..keeps tripping switch..all circuit breakers are ok and don’t trip, only gen bottom 30 amp switch..what am I missing..my coach is a Newmar 3924 gas. Thanks
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