BMU default parameterized
â–¶ How to fix
If in production do an End-Of-Line programming of the BMU (E81). If in a workshop do a proper spare part programming with SDP3.
What you'll see
No driver-visible symptom recorded.
System reaction
• VOR, the hybrid system will not work since the battery will not be engaged. The DCC will not receive VCB-power and the 24-volt system will drain the 24-volt batteries. • Amber warning lamp "24V batteries not charged" and "Hybrid System Fault" is shown in ICL
Diagnostic depth
Detection
One or more of the BMU (E81) parameters has the default value.
Possible cause
One or more of the BMU (E81) parameters has the default value.