Aug 5, 2018 · If you have more questions, please start a new thread with your generator's information (serial number/model) so that we can better help you! Generac tech for over 12 …

Dec 31, 2018 · My Generac 6551 22kW generator is having 1505 RPM Sense Loss alarm code issues. This seems intermittent and some weeks it will exercise normally, and other weeks I …

Dec 17, 2019 · Then it would run with utility loss but it would throw code 1505 every time it tried to exercise. Now, in addition to these issues, when utility power is lost the generator runs a "start …

Jan 24, 2023 · Can anyone provide some guidance on this 1505 fault. Getting frustrated with it. Generac 22kw installed about 3 years now. I have been having an intermittent 1505 fault. It …

Customer: Alarm 1505 is showing on my generator. It's a Generac model G0070432, installed in 2018. This issue has occurred previously. I just need the correct steps to reset it and ensure it …

Error code 1505. Loss of RPM on generac generator when it tried to start on a weekly test. I have tried to start

Nov 7, 2024 · Hello - I a purchased a home earlier this year with a 20KW Generac, model 6250. Unit was installed in 2014 and has had routine maintenance performed since original install. …

Mar 27, 2025 · Generator has run and exercised without issue since that time. Battery checked 13.5 v not under load. I have not performed battery state under cranking load or resistance …

Sat Jan 02, 2021 10:17 pm i have no idea. you should contact Generac tech support and go thru them. they can escalate it and find a service tech for your area. in the past i have been paid …

Jun 22, 2025 · How to reset a 1505 code on a 23 KW generac 2 posts • Page 1 of 1 Carmela77 New Member Posts: 2