SDCREL_a014 — V Bus Irrational
Full alert identifier: SDCREL_a014_vBusIrrational
Alert description
Secondary disconnect controller (SDC) HV bus voltage sensor is providing irrational values.
Potential impact
Pyro disconnect may not function as expected.
Set condition
HV bus voltage measurement is low while HV backup rail is up.
Clear condition
HV bus voltage measurement is within rational / expected range.
Signals to check
These diagnostic fields are associated with SDCREL_a014. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HV Backup Supply V
SDCREL_
|
V |
Boost Rail V
SDCREL_
|
V |
Reason V Bus Shorted High
SDCREL_
|
— |
Reason V Bus Shorted Low
SDCREL_
|
— |
V Bat
SDCREL_
|
V |
Vbkup Good Fdbk
SDCREL_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SDCREL_a014.