SDCR_a029 — Di MIA
Full alert identifier: SDCR_a029_diMIA
Alert description
Drive Inverter (DI) controller area network (CAN) or UART communication to the secondary disconnect controller (SDC) is missing (MIA).
Potential impact
SDC is unable to determine DI status
Set condition
SDC is not receiving all expected CAN or UART frames from DI.
Clear condition
SDC receives all expected CAN and UART frames from DI.
Signals to check
These diagnostic fields are associated with SDCR_a029. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Can Comms Missing
SDCR_
|
— |
Lv State
SDCR_
|
— |
Uart Comms Missing
SDCR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SDCR_a029.