SDCR_a029 — Di MIA

Full alert identifier: SDCR_a029_diMIA

Alert description

Drive Inverter (DI) Controller Area Network (CAN) or Universal Asynchronous Receiver-Transmitter (UART) communication to the Secondary Disconnect Controller (SDC) is missing.

Potential impact

SDC is unable to determine DI status.

Set condition

Sets when SDC is not receiving all expected CAN or UART frames from DI.

Clear condition

Clears when 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 Payload in Service Mode Plus for available values.

Signal	Unit
Can Comms Missing `SDCR_a029_canCommsMissing`	—
Lv State `SDCR_a029_lvState` 0 OFF 1 ON 2 GOING DOWN 3 FAULT	—
Uart Comms Missing `SDCR_a029_uartCommsMissing`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SDCR_a029.