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12-16-2020, 05:21 PM
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#15
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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….kind of a crude test---try physically unhook the inverter in and out hot 120v wires [grounds should be bussed]…. and connect them together.....then put a load on the output circuit, eg, microwave????.....this will tell you for sure whether its the inverter by pass circuit or something else, like the ATS--but it now sounds like the inverter by-pass circuit is bad....
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Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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12-16-2020, 06:46 PM
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#16
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Senior Member
Join Date: Jan 2020
Location: West Tennessee
Posts: 152
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I’ll try that.
Thanks very much!
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Ben & Molly Welsh
2005 Alpine 40 FDTS
West Tennessee
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12-17-2020, 08:09 AM
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#17
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Senior Member
Join Date: Jan 2020
Location: West Tennessee
Posts: 152
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Yep. You nailed it. Bypassed the inverter and have microwave, fridge and TV running. So, I guess it’s time for a new inverter...
__________________
Ben & Molly Welsh
2005 Alpine 40 FDTS
West Tennessee
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12-17-2020, 10:42 AM
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#18
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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Yup--not sure there is anything repairable inside the RS2000...I have heard there is an internal fuse but that would cause a dead circuit, not low voltage....RS2000 was never my favorite--replacing it is not an entirely bad thing....love it when a plan comes to a happy ending....safe travels
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Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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12-17-2020, 02:09 PM
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#19
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Senior Member
Join Date: Jan 2020
Location: West Tennessee
Posts: 152
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Thanks again for the help!
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Ben & Molly Welsh
2005 Alpine 40 FDTS
West Tennessee
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12-17-2020, 02:28 PM
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#20
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Senior Member
Join Date: Jul 2018
Posts: 3,165
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Quote:
Originally Posted by Irie
I may need to clarify. Both legs are fine coming in to the coach. The one that goes thru the inverter is showing 88-95 volts (this morning it was 106 when this started, has decreased throughout the day). The leg that doesn’t go thru the inverter is fine.
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Where does it change to 88 volts? where is it good?
__________________
2011 Keystone Sprinter 323 BHS. Port Charlotte Fl/Hinsdale MA. Retired Master Electrician. All Motor homes are RV's. All RV's are not Motor homes.
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12-18-2020, 07:22 AM
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#21
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Senior Member
Join Date: Jan 2020
Location: West Tennessee
Posts: 152
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Voltage is good to the inverter, one leg is low after the inverter.
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Ben & Molly Welsh
2005 Alpine 40 FDTS
West Tennessee
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12-18-2020, 07:54 AM
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#22
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Senior Member
Alpine Owners Club
Join Date: Nov 2015
Location: Lake Havasu City, AZ
Posts: 3,014
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Quote:
Originally Posted by Irie
Voltage is good to the inverter, one leg is low after the inverter.
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On the surface it sure sounds like the issue may be at or in the inverter. Did you try bypassing the inverter for testing to see if you are still getting low voltage when the in/out lines are just combined and then checked to verify that there is not a downline wiring issue?
Other than that being the issue, there is something obviously going on in the inverter I would guess.
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Paul & Jean
2001 Alpine 36FDDS (74291)-3900W Solar, 13,440Wh (525Ah @24V) LiFePO4
2019 Jeep Grand Cherokee Trailhawk (Hemi)
2006 Alpenlite 32RL - Sold
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12-18-2020, 01:09 PM
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#23
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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...technically, you only have one of the two 120v "legs" going to the inverter and even then, not all of that leg goes thru the inverter, eg, the two roof-top A/Cs are on two different 120v legs, but neither leg goes thru the inverter....if the wiring disconnect I suggested solved the issue--then I am pretty sure your inverter is the issue....
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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12-18-2020, 02:19 PM
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#24
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Senior Member
Alpine Owners Club
Join Date: Nov 2015
Location: Lake Havasu City, AZ
Posts: 3,014
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Quote:
Originally Posted by Old Scout
...technically, you only have one of the two 120v "legs" going to the inverter and even then, not all of that leg goes thru the inverter, eg, the two roof-top A/Cs are on two different 120v legs, but neither leg goes thru the inverter....if the wiring disconnect I suggested solved the issue--then I am pretty sure your inverter is the issue....
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You said that so much better than I did 
__________________
Paul & Jean
2001 Alpine 36FDDS (74291)-3900W Solar, 13,440Wh (525Ah @24V) LiFePO4
2019 Jeep Grand Cherokee Trailhawk (Hemi)
2006 Alpenlite 32RL - Sold
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12-20-2020, 10:17 AM
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#25
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Senior Member
Alpine Owners Club
Join Date: Mar 2009
Location: Surprise, AZ
Posts: 836
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Ok, my inverter (both old & new Xantrex) has 2 - 120V AC lines but that represents 1 - leg of the 240V 50amp source. One line is the IN and the other line is the OUT that is used to charge the batteries or feed the Inverter AC panel when inverting DC to AC. The other “LEG” of the 240V source goes directly to the A/C units and various outlets. Atleast that’s the way my coach works and the reason why the Inverter can’t run the A/C units.
The previous discussion about 2 - legs in the inverter was confusing. Just saying.
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Bob Bowers (Surprise, AZ)
2003 Alpine Coach 40' FDTS
2014 Jeep Cherokee Lattitude
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12-20-2020, 11:35 AM
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#26
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Senior Member
Join Date: Jul 2014
Posts: 35,438
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Quote:
Originally Posted by bcbowers
Ok, my inverter (both old & new Xantrex) has 2 - 120V AC lines but that represents 1 - leg of the 240V 50amp source. One line is the IN and the other line is the OUT that is used to charge the batteries or feed the Inverter AC panel when inverting DC to AC. The other “LEG” of the 240V source goes directly to the A/C units and various outlets. Atleast that’s the way my coach works and the reason why the Inverter can’t run the A/C units.
The previous discussion about 2 - legs in the inverter was confusing. Just saying.
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Actually, both legs go to the double 50 amp main breaker. From there a 30 amp breaker feeds the inverter/charger. Then back to the panel for some of the breakers.
Nothing goes directly to ACs and outlets, they will have branch breakers from the main double 50 amp.
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12-20-2020, 08:20 PM
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#27
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Senior Member
Join Date: Nov 2005
Posts: 7,400
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….you say potato; I say potato--its still a vegetable....think the OP has it figured out now...
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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12-20-2020, 08:35 PM
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#28
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Senior Member
Ford Super Duty Owner
Join Date: Jan 2019
Location: Anchorage, Alaska
Posts: 637
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Quote:
Originally Posted by Irie
Been working on it since 8 am. Tightened everything multiple times. HOWEVER, just tightened neutral wires on distribution panel and it seems to be ok right now. Back up to 118 volts. Going to shut it back off and redo the connections. I’ll keep you advised.
Whenever we’re stumped I post on here and it usually gets solved. You guys are great!
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Check for dirty or corroded connections?
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