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Ask Hank F. Your Own Question
Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 14487
Experience:  Certified on Onan and Generac generators
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I have a Onan 5.5 shutts off and gives code 47 checked found

Customer Question

I have a Onan 5.5 shutts off and gives code 47 checked found no spark on spark plug wired. Once it cools down for a while it will turn back on. And does it all over again.
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Submitted: 9 months ago.
Category: Small Engine
Expert:  Hank F. replied 9 months ago.

Code 47 is Ignition Fault.

What you are describing is a bad ignition coil. It is breaking down when it gets hot, and working again when it is cool. This will only get worse with time.

Due to the complexity of having to remove the genset and completely tear it down to replace the coil, it is a good idea to go ahead and replace both of them while you are in there.

Expert:  Hank F. replied 9 months ago.

Was this what you wanted to know?