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Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 14535
Experience:  Certified on Onan and Generac generators
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I have a Onan 5500 and I am getting a code 36 and it won't

Customer Question

I have a Onan 5500 and I am getting a code 36 and it won't start can you advise
Thank you
Submitted: 1 year ago.
Category: Small Engine
Expert:  Hank F. replied 1 year ago.

What are the model and serial numbers of the genset?

Customer: replied 1 year ago.
Marques 5000
Model 5.5HGJAB-1037B
Serial J070112706
Expert:  Hank F. replied 1 year ago.

The first thing you need to do is to check and see if you are getting spark to the plugs. Check them both.

If you are getting spark to both plugs, remove the air filter. While cranking the set, start spraying in some carb cleaner (do not use starting fluid). Will it start on carb cleaner?

How long has it been since this unit was run regularly?

Expert:  Hank F. replied 1 year ago.

Have you checked on this yet?