HVBATT_a242 — Bp2 Pack Voltage Mismatch Fault
Full alert identifier: HVBATT_a242_Bp2PackVoltageMismatchFault
Alert description
HVBATT detects that the sum of brick voltages deviates from measured pack voltage.
Potential impact
Inability to charge, drive, or support the low voltage (LV) system
Set condition
HVBATT detects that the sum of brick voltages in BP2 deviates from pack voltage by more than 5 percent.
Clear condition
HVBATT detects that the sum of brick voltages in BP2 is within 5 percent of the measured pack voltage.
Signals to check
These diagnostic fields are associated with HVBATT_a242. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Subpack Voltage By Adc
HVBATT_
|
V |
Subpack Voltage By Sum Of Bricks
HVBATT_
|
V |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVBATT_a242.