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04-04-2015, 05:24 AM
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#1
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Senior Member
Alpine Owners Club
Join Date: Sep 2014
Location: FLORAL CITY,FL
Posts: 673
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Low Voltage
I notice when i have both ac running it sounds like the fans are slowing down and then speeding up like a surging. The surge guard showed low voltage around 90 to 100 volts and had an alert on the xantrex screen said high voltage on line 1. Could this be due to the surge guard in the basement going bad? Your help would be appreciated.
__________________
Dennis & Brenda
2017 Tiffin Phaeton 40 qbh
2022 Ford F350 Super Duty 6.7 PowerStroke
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04-04-2015, 05:30 AM
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#2
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Registered User
Ford Super Duty Owner
Join Date: Nov 2014
Location: NW Ohio
Posts: 7,114
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The fans changing speed and your voltage readings could be from a lose/bad connection.
Feel you shore power plug, if its hot, you found the problem.
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04-04-2015, 05:33 AM
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#3
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Senior Member
Alpine Owners Club
Join Date: Sep 2014
Location: FLORAL CITY,FL
Posts: 673
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i checked the shore power and nothing is hot. I cant find any hot wires anywhere.
__________________
Dennis & Brenda
2017 Tiffin Phaeton 40 qbh
2022 Ford F350 Super Duty 6.7 PowerStroke
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04-04-2015, 06:03 AM
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#4
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Senior Member
Commercial Member
Join Date: Aug 2012
Posts: 726
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If you are on shore power, I would use a meter and check the campground power at the post. Many campgrounds system can not handle the demands of today's big rigs.
On a side note, your surge gard is not doing you any favors. With voltages that low, it should shutdown breaking the connection. Any thing below 107vac places a strain on your air conditioners.
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04-04-2015, 06:04 AM
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#5
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Senior Member
Winnebago Owners Club
Join Date: Aug 2013
Posts: 1,636
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Could be poor power at the campground then. What happens when you go on your generator?
__________________
2012 Journey 40U (Our Incredible Journey)
2008 Dodge Dakota(TOAD) 2005 Honda Shadow in TOAD
AF-1 braking system
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04-04-2015, 06:07 AM
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#6
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Senior Member
Newmar Owners Club
Join Date: Oct 2009
Posts: 10,310
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Quote:
Originally Posted by dennismhamm
I notice when i have both ac running it sounds like the fans are slowing down and then speeding up like a surging. The surge guard showed low voltage around 90 to 100 volts and had an alert on the xantrex screen said high voltage on line 1. Could this be due to the surge guard in the basement going bad? Your help would be appreciated.
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The surge guard should of shut off the power when it got down to 103 VAC to protect your equipment.
__________________
2012 Essex 4544 2011 Jeep JK, M&G Braking, 2014 MTI 27' Hog Hauler, Wireless brake control, 2006 Ultra & 1989 Springer, 2003 Harley-Davidson
FLHR Road King Anniversary
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04-04-2015, 06:14 AM
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#7
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Senior Member
Alpine Owners Club
Join Date: Sep 2014
Location: FLORAL CITY,FL
Posts: 673
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i unplugged the shore power and noticed tons of aunts coming out of the socket. would this cause the problem?
__________________
Dennis & Brenda
2017 Tiffin Phaeton 40 qbh
2022 Ford F350 Super Duty 6.7 PowerStroke
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04-04-2015, 06:19 AM
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#8
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Registered User
Join Date: Oct 2010
Posts: 2,295
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Our roof air does the same thing occasionally. I thought it was normal but now im not sure. No aunts or uncles at our pedestal 
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04-04-2015, 06:21 AM
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#9
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Moderator Emeritus
Nor'easters Club Workhorse Chassis Owner iRV2 No Limits Club
Join Date: Oct 2004
Posts: 30,785
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You must be frying a few ants inside plug power shorting to ground cutting down power to coach, one AC may work but should have CG look at that outlet.
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04-04-2015, 06:23 AM
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#10
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Senior Member
Alpine Owners Club
Join Date: Sep 2014
Location: FLORAL CITY,FL
Posts: 673
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the power is just fine with the gen running. problems when plugged into shore power
__________________
Dennis & Brenda
2017 Tiffin Phaeton 40 qbh
2022 Ford F350 Super Duty 6.7 PowerStroke
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04-04-2015, 06:53 AM
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#11
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Senior Member
Join Date: Feb 2013
Posts: 944
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04-04-2015, 10:01 AM
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#12
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Senior Member
Alpine Owners Club
Join Date: Sep 2014
Location: FLORAL CITY,FL
Posts: 673
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cleaned out all the aunts where you plug into shore power but it did not help any. voltage still dropping to 90 volts. if we unplug the shore power and turn on the gen then all power is good and no dropping in voltage.
__________________
Dennis & Brenda
2017 Tiffin Phaeton 40 qbh
2022 Ford F350 Super Duty 6.7 PowerStroke
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04-04-2015, 10:16 AM
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#13
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Senior Member
Alpine Owners Club
Join Date: Jun 2003
Location: Ontario, CA USA
Posts: 1,402
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Notify the park of the voltage problem. The problem is at your site not with your motorhome.
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04-04-2015, 10:27 AM
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#14
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Senior Member
Fleetwood Owners Club Ford Super Duty Owner
Join Date: Jun 2012
Location: SoCal
Posts: 15,749
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Quote:
Originally Posted by dennismhamm
i unplugged the shore power and noticed tons of aunts coming out of the socket. would this cause the problem?
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Only a problem if uncles and cousins, aunts are ok.
Sorry, couldn't resist... (-:
__________________
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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