SDCF_a014 — V Bus Irrational
Full alert identifier: SDCF_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 SDCF_a014. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
HV Backup Supply V
SDCF_
|
V |
Boost Rail V
SDCF_
|
V |
Reason V Bus Shorted High
SDCF_
|
— |
Reason V Bus Shorted Low
SDCF_
|
— |
V Bat
SDCF_
|
V |
Vbkup Good Fdbk
SDCF_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SDCF_a014.