DIF_a247 — Rotor Offset Error
Full alert identifier: DIF_a247_rotorOffsetError
Alert description
The Drive Interface (DI) detects the rotor is irrationally offset.
Potential impact
Diagnostic alert data only, may indicate reduction in torque or excess heat accuracy
Set condition
Rotor offset mean estimator is above minimum rationality threshold at very low absolute torque outputs
Clear condition
Rotor offset mean estimator falls below minimum rationality threshold
Signals to check
Open this alert in Service Mode Plus and review the Payload tab. Use the field names below to identify the values shown by your vehicle.
| Signal | Unit |
|---|---|
Motor RPM
DIF_
|
RPM |
Rotor Offset Est
DIF_
|
degrees |
Torque Motor
DIF_
|
Nm |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a247.