Woodward highprotec MRI4, User Manual

Page: 599 / 727

Supervision
Device Start (Reboot)
The device starts up if:
•
it is connected to the supply voltage,
•
the User initiates (intentionally) a restart of the device,
•
the device is set back to factory defaults,
•
the internal self-supervision of the device detects a fatal error.
The reason for a device start/reboot is shown numerically within menu <Operation/ Status display/ Sys/ Restart>
(please refer to the table below). The reason will also be logged within the event recorder (Event: Sys.Restart).
The table below explains the numbers indicating the reason of the restart.
Device Start-up Codes
1. Normal Start-up
Start-up after clean disconnection of the supply voltage.
2. Reboot by the Operator
Device reboot triggered by the operator via HMI or Smart view.
3. Reboot by means of Super Reset
Automatic reboot when setting the device back to factory defaults.
4. -- (outdated)
5. -- (outdated)
6. Unknown Error Source
Reboot due to unknown error source.
7. Forced Reboot (initiated by the main processor)
The main processor identified invalid conditions or data.
8. Exceeded Time Limit of the Protection Cycle
Unexpected interruption of the Protection Cycle.
9. Forced Reboot (initiated by the digital signal processor)
The digital signal processor identified invalid conditions or data.
10. Exceeded Time Limit of the Measured Value Processing
Unexpected interruption of the cyclic measured value processing.
11. Sags of the Supply Voltage
Reboot after short-term sag or outage of the supply voltage.
12. Illegal Memory Access
Reboot after illegal memory access.
Internal Messages
The menu [Operation / Self Supervision / Messages] gives access to the list of internal messages. In particular, it is
recommended to check these in case of some problem directly related to the device.
All messages that can potentially appear here are described in detail in a separate document, the “HighPROTEC
Troubleshooting Guide” (
DOK-HB-TS
).
599 MRI4 DOK-HB-MRI4-2E