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No AC Power - Resolved!

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RJW365

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No AC Power - Resolved!
« on: August 11, 2019, 03:39:48 pm »
So, I just noticed no AC power when plugged in this morning.  We have a 2019 E450 2350.  All breakers confirmed on.  I have tried the following troubleshooting so far and decided to share on the forum before I start taking the bed apart to get to the connections.

1. Unplug external AC power.  Turn on Generator.  Confirmed the transfer switch worked and the generator provided power to all equipment.  Confirmed cabin batteries charged some during the generator use.  Turn off generator.
2. Start vehicle, review cabin battery status and no power from vehicle running
3. Reviewed cable connection at battery compartment and all looks tight; but per 1 and 2 that is not where the problem would be.

What am I missing, is there another breaker somewhere that may be tripped preventing AC Power?

Thanks
Rob

« Last Edit: August 11, 2019, 05:33:46 pm by RJW365 »

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keelhauler

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Re: No AC Power
« Reply #1 on: August 11, 2019, 03:55:27 pm »
Is the big switch by the door on?
Do you have a power management device which has a small meter that reads voltage or error signal?

Did you have 120v power when you ran the generator?
All the breakers are in the Converter box and all should be on.



John

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RJW365

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    • RV Travel with Passion for Wildlife and Scenic Photography
  • OwnPC: Yes
  • NewUsed: New
  • PurchDate: May 2019
  • Model: 2350 Ford
  • ModelYear: 2019
  • Slide: Yes
  • IntColor: Greystone
  • ExtColor: Nightscape
Re: No AC Power
« Reply #2 on: August 11, 2019, 04:00:28 pm »
Is the big switch by the door on?
Do you have a power management device which has a small meter that reads voltage or error signal?

Did you have 120v power when you ran the generator?
All the breakers are in the Converter box and all should be on.

Main cabin switch is on.. this just happened all of sudden
Yes 120V power works with generator
All breakers that is see are on
There must be another disconnect from where shore power plugs in and goes to breaker panel?
Also noticed charging system not working when vehicle is running.. battery meter would normally show full when engine is running and only shows 2 dots which is status of existing cabin battery.


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RJW365

  • ***
  • 33
    • View Profile
    • RV Travel with Passion for Wildlife and Scenic Photography
  • OwnPC: Yes
  • NewUsed: New
  • PurchDate: May 2019
  • Model: 2350 Ford
  • ModelYear: 2019
  • Slide: Yes
  • IntColor: Greystone
  • ExtColor: Nightscape
Re: No AC Power
« Reply #3 on: August 11, 2019, 05:30:27 pm »
Is the big switch by the door on?
Do you have a power management device which has a small meter that reads voltage or error signal?

Did you have 120v power when you ran the generator?
All the breakers are in the Converter box and all should be on.

Main cabin switch is on.. this just happened all of sudden
Yes 120V power works with generator
All breakers that is see are on
There must be another disconnect from where shore power plugs in and goes to breaker panel?
Also noticed charging system not working when vehicle is running.. battery meter would normally show full when engine is running and only shows 2 dots which is status of existing cabin battery.

Traced all power with volt meter and found a short in the 30AMP Black Extension Cord.. wouldn't of thought that be the issue.. wow.  Glad nothing in the cabin was wrong (this time) :-)

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keelhauler

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    • Our RV Page
  • OwnPC: Yes
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  • Model: 2552
  • ModelYear: 2012
  • Slide: Yes
  • IntColor: Sunlit Maple
  • ExtColor: Sunlit - no paint
  • Location: Westlake, OH
Re: No AC Power - Resolved!
« Reply #4 on: August 12, 2019, 10:46:00 am »
Quote
Also noticed charging system not working when vehicle is running.. battery meter would normally show full when engine is running and only shows 2 dots which is status of existing cabin battery.

Do not go by the dots. Use a digital voltmeter.



If it is not charging when engine is running there is a problem.
Watch digital voltmeter and push in the little toggle switch on left side of steering wheel, Audible click from relay. Voltage should go up.



John