Delta HES Series Instructions For Use Manual page 41

Chapter 3 Flow of machine AdjustmentHES Series
Display Message Descriptions
External Fault.
Display "End" for approximately 1 second if input has been accepted by
pressing key. After a parameter value has been set, the new value is
automatically stored in memory. To modify an entry, use the and
keys.
Display "Err", if the input is invalid.
3-3