Unvalid combination of BMU SW and battery platform HW
â–¶ How to fix
Program/flash the BMU with the proper SW variant that is compatible with the HW battery platform (JBP/JBPuA)
What you'll see
The battery pack wll not engage or connect to the VCB link. VOR in single-pack vehicles, the 24-volt system will drain the 24-volt batteries.
System reaction
• Contactor close is inhibited, until compatible BMU SW variant with battery pack platform is in place. • Amber warning lamp "24V batteries not charged" and "Hybrid System Fault" is shown in ICL.
Diagnostic depth
Detection
The battery platform ID of the connected pack serial number does not match the BMU SW variant (JBP/JBPuA)
Possible cause
The current BMU SW variant (JBP/JBPuA) is not compatible with the battery platform HW.