T04-C34 troubleshooting answers
1 question with answers cited from the manufacturer manuals.
- 0ControlLogix T04:C34 (Timer Failure) after a recipe download, what to check?
A Major Fault T04:C34, also known as a 'Negative Timer' fault, indicates that a timer instruction in the Logix 5000 controller program received a negative value for its preset (.PRE) or accumulated value (.ACC). This fau…