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08-14-2013, 07:59 PM
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#1
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Junior Member
Alpine Owners Club
Join Date: May 2013
Posts: 24
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Generator starts up by itself
I came home from today and my MH generator was running. My battery switches were all in the off position. I checked to see if a cat could have gotten into the compartment to trip something and that wasn't possible. Any ideas??? Thanks in advance for the help.
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Dean and Susan
2002 Alpine 34 FDDS 350 HP
Towing a Jeep Wrangler
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08-14-2013, 09:05 PM
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#2
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,897
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Is your invertor set to "auto-start"? It causes the genset to start when the batteries discharge to a certain point.
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2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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08-14-2013, 09:16 PM
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#3
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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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08-14-2013, 09:20 PM
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#4
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Senior Member
Country Coach Owners Club Solo Rvers Club iRV2 No Limits Club
Join Date: May 2011
Location: Vancouver, WA
Posts: 37,725
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On some gens it's possible for a short to occur and cause the gen to start and run. Think it was PowerTech's though
__________________
2009 45' Magna 630 w/Cummins ISX 650 HP/1950 Lbs Ft, HWH Active Air
Charter Good Sam Lifetime Member, FMCA,
RV'ing since 1957, NRA Benefactor Life, towing '21 Jeep JLU Rubicon Ecodiesel
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08-14-2013, 09:21 PM
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#5
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Senior Member
Alpine Owners Club
Join Date: May 2004
Location: WA
Posts: 236
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Here is one possibility….
We had a 02 and several times the generator would start up at random. The cause was narrowed down to a flakey start/stop switch mounted on the generator. The front slide would leak water allowing it to drip onto this switch. After spraying lots of contact cleaner into the switch and exercising vigorously the problem stopped. I added more gasket material to the top edge of the front slide and now no more dripping water on top of the generator.
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Gary & Renee
Mojo & Jetta
2006 APEX, Wrangler
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08-14-2013, 09:31 PM
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#6
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Registered User
Monaco Owners Club
Join Date: Oct 2009
Location: Varies Depending on The Weather
Posts: 8,517
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Another area to look at is the harness on the generator that is used for the remote start. There should be a weather-proof connector somewhere around the top curb side.
Take apart the connector and spray it really well with WD-40 to clean up the contacts. The use a small amount of Di-electric grease to spread onto the contacts before putting the connector back together.
Moisture will get inside the connector and give you a false signal.
Dr4Film ----- Richard
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08-15-2013, 07:13 AM
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#7
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Senior Member
Join Date: Jul 2003
Posts: 296
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My generator starts about once a month in the exercise cycle. I have the gen start set to automatic.
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2005 38FDTS
2011 Ford Edge
Fredericksburg, TX
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08-16-2013, 07:56 PM
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#8
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Junior Member
Alpine Owners Club
Join Date: May 2013
Posts: 24
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Thanks for all the ideas, I am going to look into things this weekend and can hopefully figure this out.
__________________
Dean and Susan
2002 Alpine 34 FDDS 350 HP
Towing a Jeep Wrangler
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08-17-2013, 10:54 AM
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#9
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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Maybe its like a dog that brings you the leash?
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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08-22-2013, 06:26 PM
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#10
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Registered User
Newmar Owners Club
Join Date: Nov 2008
Posts: 2,899
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Hello All,
The dash board a/c, drips water onto the genset switch when in use. The switch for the genset gets wet, over time it could short out. Some kind of a cover needs to be place over the area on the genset to keep the water off. Do a search herein, to see some remedies for that problem.
Or like has been suggested, you have auto gen start, enabled in the inverter/charger unit, and if it's enabled, the master switch have no control over that. So you must disable (turn off) the inverter, and that will stop the problem, or, you have the thermostat armed (that I think would require the coach master switches to be on I believe), and the thermostat is calling for cooling to keep the dog/cat safe, and the genset runs for that reason. My guess is the auto gen start is enabled.
The genset needs to run monthly for 2 hours to keep it exercised at half load. Read the inverter manual and the genset manual and between those two manuals, you will learn lots of cool stuff.
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