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Old 06-30-2020, 04:29 PM   #1
Senior Member
Brand: Thor Motor Coach
Model: '17 Hurricane 34F
State: Missouri
Posts: 233
THOR #6040
Battery charging/inverter issue

I am getting an OL (possibly overload message) on my inverter control panel while plugged in or charging from the engine. When using the generator, the gen stops with a similar code.

I turned off the refrigerator to and not much else would be running to draw much load.

Is this a battery issue by chance?

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Old 06-30-2020, 05:13 PM   #2
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Brand: Thor Motor Coach
Model: 2020 Magnitude SV34
State: Florida
Posts: 3,322
THOR #12751
I would think the OL is indicating that there is too much demand on the AC output of the Inverter. If it was a battery issue, I would expect you to get a low voltage error.

When you are plugged into shore power or using the generator, the transfer switch should allow AC to pass directly through the Inverter so I assume you are not getting an OL error when there is shore power or while the generator is running.

If your coach is similar to mine, the Inverter is only powering the fridge and a couple TV's.

What Inverter do you have?

It could be an Inverter problem.
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Old 06-30-2020, 10:39 PM   #3
Senior Member
Brand: Thor Motor Coach
Model: Four Winds 31W
State: Michigan
Posts: 542
THOR #9522
If it's the Xantex 1800 it's a spurious error message that should say "I'm toast". Went through 2 if them in less than 2 years. Hopefully the 2000 I upgraded to won't have the same glitch.
Pete and Carolynn Foss from Oxford, MI
2018 Four Winds 31W
1999 Aero Cub F-21 trailer
1977 Tioga 24 foot RV
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