B050-W: External Battery Error.

When this warning occurs, the PowerRouter has received an error message from the Li-ion Battery manager (BMM) and will react accordantly.

The “Caused by” variable visible at the Events on will show the relevant Error code. A description from this Error code can be found inside the Error list from the Li-ion Manufacturer. In most cases, a restart from the Li-ion BMM will resolve the issue.

For instance:
An external battery error with a Saft battery pack in the events on

Cause by “36”.
According to the Saft user manual this means: “6 months passed since the last


The solution: Reset the Saft BMM.



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