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Technicaldan, Technician
Category: Small Engine
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Experience:  Accredited
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I Have a Honda EM 7000is and error code E 10 and E 20

Customer Question

I Have a Honda EM 7000is and error code E 10 and E 20
Submitted: 7 months ago.
Category: Small Engine
Expert:  Technicaldan replied 7 months ago.
E10 and E20 is Inverter and generator control unit communication failure.

The first thing that needs to be done is to check the harness between the inverter and GCU for broken wires.

If the harness is good, the inverter needs to be tested.

If the inverter tests good, then the GCU will be bad, and will need to be replaced.
Expert:  Technicaldan replied 7 months ago.

Here is the manual, there is a circuit diagram in there also.

Expert:  Technicaldan replied 6 months ago.

Please rate ;)