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Old 05-01-2018, 07:51 AM   #1
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Gen Start

We have a 2003 Monaco signature Triple Crown. I set the auto gen start for the generator to start when batteries get to 50% of charge. It will start but will not charge the batteries. I get the green inverter light and red error light.

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Old 05-01-2018, 08:28 AM   #2
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Does it charge OK when you do NOT use the AGS feature?

Pat and Judy, Molly and Emma
2000 Monaco Dynasty-2007 Lexus GX470
Winter S/W Florida....Summer Eastern Tennessee
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Old 05-01-2018, 09:49 AM   #3
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I think Pat is on the right track. You need to start your generator and see if it charges. More than likely an inverter circuit breaker is popped or you need to reset it.
Also, there is a master circuit breaker on the generator next to the start switch. Make sure it's on.
97 Monaco Windsor- Sold
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Old 05-01-2018, 10:44 AM   #4
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

I think these guys are steering you in the right direction!

Good luck, happy trails, and God bless!
Joe & Annette

2002 Monaco Windsor 40PBT, 2013 Honda CRV AWD
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Old 05-02-2018, 06:28 AM   #5
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Yes gen works with manual start.
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Old 05-02-2018, 06:51 AM   #6
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This one is tricky. Starting the generator manually has probably been done when the batteries have been closer to the full mark. When starting with auto start at 50% perhaps the batteries actually drop even more because of the starter load and then the inverter/charger does not like a voltage that low and will not run.

How old are your batteries? I would use a hydrometer to check each cell.

Make sure your battery connections are clean, tight, and shiny bright.

Put a voltmeter across the battery banks and then turn your microwave on with some water in a bowl and turn on any 12 volt devices you can. An electric heater would be a huge load too. Watch the voltage go down and see what happens when the generator tries to kick in.
Myron & Deborah
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Old 05-02-2018, 01:33 PM   #7
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New batteries. Could it be I was not able to set the 100% mark on the auto set ?
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Old 05-03-2018, 11:25 AM   #8
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with new batteries be sure to set the AmpHrs in your charger to ensure it is properly set for the new batteries rate of charge, etc...
'11 Monaco Diplomat 43DFT RR10R pushed by a '14 Jeep Wrangler JKU. History.. 5'ers: 13 Redwood 38gk, 11 MVP Destiny, Open Range TT, popups, vans, tents...
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Old 05-04-2018, 11:39 AM   #9
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The inverter has a cut off that prevents it from sucking the batteries totally flat. Try setting the start point at 65% instead of 50%.
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Old 05-07-2018, 08:55 AM   #10
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can you start the gen set from the RC7 control?

If not, it is likely the AGS module inside the inverter. I have a 2002RVA trace and it has never functioned with AGS - regarless of control settings. They basically said that is the first thing to go in the trace. It likely wont charge at the correct rate either. Mine never would drop down to lower voltage and the it would overcharge even with the temp sensor in place. If its a trace, you will likely either have to repair or replace it.

But, mine never tripped the error.

2003 Scepter 40PDBB - Roadmaster rr8s - Cummins ISC350 - purch aug16
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