JUMO mTRON T Operating Manual page 33

Errors during initialization
If
After the LED test,
the "Status" LED lights up in red and
the "BusError" LED does not light up
After the LED test,
the "Status" LED flashes red and
the "BusError" LED does not light up
Startup
The checks described above complete the process of installation and electrical connection. For
startup, use the additional documentation (operating manual or system manual).
The "Introduction" section of this document contains an overview of all documentation for the
measuring, control, and automation system.
4 Electrical connection
Then
There is an internal error and the central process-
ing unit must be replaced.
The internal buffer battery is dead and must be
replaced.
For buffer battery replacement, please contact
the device manufacturer or plant installer.
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