I'm looking for a solution to this in my 2013 farm.
TITLE The server farm account should not be used for other services.
EXPLAINATION spadmin, the account used for the SharePoint timer service and the central administration site, is highly privileged and should not be used for any other services on any machines in the server farm. The following services were found to use this account: SharePoint - spsite.health.org80 (Application Pool) Distributed Cache Service(Windows Service)
FAILING SERVICES SPTimerService (SPTimerV4)