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I have a 2014 newmar ventana edit. It has 3 heating air

Customer Question

I have a 2014...

I have a 2014 newmar ventana edit. It has 3 heating air conditioning units on the roof and when I'm running all 3 of them it. Pulls up a code of E7.

Mechanic's Assistant: Have you seen this error before with the same vehicle?

What do you think is the reason for this

Mechanic's Assistant: What's the year and model of your RV?

It's a 20

Mechanic's Assistant: Is there anything else the RV Mechanic should know before I connect you? Rest assured that they'll be able to help you.

It's a 2014 Newmar ventana forty four foot model forty three seventy three

Submitted: 18 days ago.Category: RV

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Answered in 3 minutes by:

5/23/2023

RV Mechanic: RVJohnMud,

replied 18 days ago

RVJohnMud

Category: RV

Satisfied Customers: 127

Experience: Expert

Verified

Hi there, my name is ***** ***** for using JustAnswer today, do you know whether you are plugged into 30 or a 50 amp circuit?are you running all of them simultaneously?

Customer reply replied 18 days ago

50amp this has been doing this for the last year

RV Mechanic: RVJohnMud,

replied 18 days ago

All three at the same time?Where is the code showing up?

Customer reply replied 18 days ago

I've tried three and it did it and then dropped down 2It's still did it with the two units only onShowing on the control panel that you set your heating air conditioning on

RV Mechanic: RVJohnMud,

replied 18 days ago

Ok, well what I think is happening is one of your A/C units has either a fan motor that is starting to seize or a compressor that is struggling to keep up

Customer reply replied 18 days ago

I have had them checked out and we replaced one complete unit

RV Mechanic: RVJohnMud,

replied 18 days ago

Do you know what a “hard start kit” is?

Customer reply replied 18 days ago

RV Mechanic: RVJohnMud,

replied 18 days ago

It’s a capacitor that gets installed into the a/c roof assembly, that stores energy when the compressor starts, so the next time it starts, its not so heavy on your electrical circuits. It would be installed by a repair shop. Having a kit in each A/C unit, would most likely take care of your problem

Customer reply replied 18 days ago

Do you carry these hard Start kids and if so how much are they

RV Mechanic: RVJohnMud,

replied 18 days ago

They can be found in various RV parts places, and you’ll need the model and serial number of each unit to make sure you get the right ones. I don’t know how much they cost off the top of my head, but most places will have them. I’m just an RV tech in Canada

Customer reply replied 18 days ago

OK I'll research this it. Also does it when I am running my generator only it? Has an 8000 W onion.

RV Mechanic: RVJohnMud,

replied 18 days ago

Running wattage for one A/C in normal conditions, sits between 2300 to 2600 watts. When you multiply it by three, you may be getting close to the tippy top end of that 8000 watt generator. The generator provides power through those same circuits, and therefore would be the same code, which in my experience, means “low voltage”

RV Mechanic: RVJohnMud,

replied 18 days ago

Anything else I can help you with today?

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