Issue
The generator displays a numeric error followed by an (H) in parentheses. For example: 4512 (H).
Environment
This article applies to Generac home standby generators.
Cause
This is not an error, this number indicates hours of protection. For more information see the What Does Hours of Protection mean on the Generator? article.
For a complete list of home standby generator error codes, see the Where can I find a list of error codes for my generator? article.
