DIR_a154 — Resolver
Full alert identifier: DIR_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 DIR_a154. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Carrier Offset
DIR_
|
— |
Cla MIA
DIR_
|
— |
Common Gain
DIR_
|
1 |
Error Table Invalid
DIR_
|
— |
Motor RPM
DIR_
|
RPM |
No Calibration
DIR_
|
— |
No Carrier
DIR_
|
— |
No Phase Lock
DIR_
|
— |
Show 3 more fields
| Signal | Unit |
|---|---|
Not Ready
DIR_
|
— |
Phase Error
DIR_
|
1 |
Tracker Irrational
DIR_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIR_a154.