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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 14440
Experience:  Certified on Onan and Generac generators
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I have a 2014 Entegra coach with a 12500 watt Cummins Onan

Customer Question

I have a 2014 Entegra coach with a 12500 watt Cummins Onan generator / The motherboard has just failed for the 2nd time in a year . What can be causing this ?
Submitted: 3 months ago.
Category: Small Engine
Expert:  Hank F. replied 3 months ago.

There are several things that could cause a controller to fail.

- Bad controller

- Excessive moisture in the unit

- Something miswired

- High or Low voltage problems

- Battery connected improperly

- Short in some control wiring

If your unit is a 2014, it should still be under warranty.

Expert:  Hank F. replied 2 months ago.

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