DIF_a154 — Resolver
Full alert identifier: DIF_a154_resolver
Alert description
The Drive Unit resolver (motor speed sensor) is not operating as expected. The resolver may have a condition affecting functionality.
Potential impact
The resolver is not operating as expected. The DIx invertor control board may be unable to correctly detect the angle and speed of the rotor.
Set condition
The Drive Unit resolver is not operating as expected. The resolver may have a condition affecting functionality.
Clear condition
The resolver begins functioning as expected. Review the logs to crack alert.
Signals to check
These diagnostic fields are associated with DIF_a154. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Carrier Offset
DIF_
|
— |
Cla MIA
DIF_
|
— |
Common Gain
DIF_
|
1 |
Error Table Invalid
DIF_
|
— |
Motor RPM
DIF_
|
RPM |
No Calibration
DIF_
|
— |
No Carrier
DIF_
|
— |
No Phase Lock
DIF_
|
— |
Show 3 more fields
| Signal | Unit |
|---|---|
Not Ready
DIF_
|
— |
Phase Error
DIF_
|
1 |
Tracker Irrational
DIF_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIF_a154.