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Discussion Starter #1
Hello guys/gals-

My first post so Ill just jump right in! 🙂
Here goes:

This generator is showing codes E10, E20 and the red overload light comes on. It fires up for bout 10 seconds then shuts down.

I understand codes mean no communication between inverter and GCU. I tested the harness between them, pin to pin and all was good. I tested generator and seems good (resistance on coils) no shorts.

Im looking for info on how to test the inverter to rule it out as the issue. Also, info on testing GCU. Any info would be great!

Thanks!
 

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Discussion Starter #2
I have 2 rolls of toilet paper and a travel package of sanitizing wipes for anyone than can give me the info I am looking for! 🤔
 
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