The dreaded code 36
Onan Marquis Gold 5500 runs for 3 to 10 minutes then surges and dies. Code 36 means it shut down without being told to. Plenty of clean fuel, just changed fuel filter, pump primes, clean air filter,...
Forum Discussion
I own onan 5500 comercial, I change fuel pump, oil,etc. even change harness, still code 36. When unit goes down, and press to prime the system no hour meter or pump running. I press J1 of control board specific the left side pump start woriking and hour meter, maye be at least a day. next have to do same thing. Please advice, should I buy a new control board?
You are responding to a post that's 7 years old. You may have better luck posting a new topic.
