PEPS_a147 — Phase Disconnect Fault
Full alert identifier: PEPS_a147_phaseDisconnectFault
Alert description
The power steering motor phase disconnect signaled an error.
Potential impact
The motor is disqualified and rack control health is degraded.
Set condition
The phase disconnect detects an error condition (e.g. voltage out of range, communication issue, FET short).
Clear condition
The phase disconnect error condition must be cleared. A stable power supply is necessary. A DRIVE or CONDITIONING cycle is necessary for the error to be cleared.
Signals to check
These diagnostic fields are associated with PEPS_a147. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Bridge Driver Undervolt
PEPS_
|
— |
Charge Pump Undervolt
PEPS_
|
— |
Fault Reset
PEPS_
|
— |
Invalid Command
PEPS_
|
— |
Last Msg Not Ok
PEPS_
|
— |
Neg Overcurrent
PEPS_
|
— |
Neg Undervolt
PEPS_
|
— |
Overcurrent Timer
PEPS_
|
— |
Show 11 more fields
| Signal | Unit |
|---|---|
Phase Disconnect Diag State
PEPS_
|
— |
Phase Disconnect MIA
PEPS_
|
— |
Pos Overcurrent
PEPS_
|
— |
Pos Undervolt
PEPS_
|
— |
Rev Batt Undervolt
PEPS_
|
— |
Spi Fault
PEPS_
|
— |
Temp Warning
PEPS_
|
— |
U Phase Undervolt
PEPS_
|
— |
V Phase Undervolt
PEPS_
|
— |
W Phase Undervolt
PEPS_
|
— |
Watchdog Fault
PEPS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PEPS_a147.