DIF_a041 — Sdc MIA
Full alert identifier: DIF_a041_sdcMIA
Alert description
Drive Inverter Warning: The Secondary Disconnect Controller (SDC) is not communicating to the Drive Inverter (DI), or there is an interface version mismatch. Service is needed.
Potential impact
The Secondary Disconnect Controller (SDC) may not be monitoring potential drive unit failures.
Set condition
The Secondary Disconnect Controller (SDC) is not communicating to the Drive Inverter (DI), or there is a mismatch between their interface version.
Clear condition
The SDC resumes communication to DI and their interface versions match.
Signals to check
These diagnostic fields are associated with DIF_a041. Check the alert's Payload in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
SDC Status MIA
DIF_
|
— |
Di Uart Rx Version
DIF_
|
— |
Sdc Uart Rx Version
DIF_
|
— |
Uart Rx Data Available
DIF_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a041.