Purchased this generator 12/2015 installed 5/2015. Runs a weekly check for 15 minutes. First time I loss power 1/26/2017 and it did not run. Error message read missing cam pulse.
Very sorry to hear about the issues you're having with your generator. Generac stands behind their products by providing a 5-Year Warranty. Hopefully the Generac service tech should have your issues resolved quickly.