How JustAnswer Works:
  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.
Ask Hank F. Your Own Question
Hank F.
Hank F., Technician
Category: Small Engine
Satisfied Customers: 15264
Experience:  Certified on Onan and Generac generators
19372534
Type Your Small Engine Question Here...
Hank F. is online now
A new question is answered every 9 seconds

What is code 45 on a onan cmm 7000 efi

Customer Question

What is code 45 on a onan cmm 7000 efi
Submitted: 1 year ago.
Category: Small Engine
Expert:  Hank F. replied 1 year ago.

CMM is not a model number, but since you specified this is an EFI unit and is 7kW, I am assuming this is in the HGJ series.

On that unit, Code 45 is Speed Sense Fault. It means that the controller can not determine how fast the engine is running.

Customer: replied 1 year ago.
How can I fix this?
Expert:  Hank F. replied 1 year ago.

I just noticed that you have 2 questions open for the same problem.

Close this question out, and we can work off the other one.