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PSFA_a138 — Current Calibration Failed

Full alert identifier: PSFA_a138_currentCalibrationFailed

Alert description

Steering current calibration is unsuccessful.

Potential impact

The motor is disqualified and system health is degraded.

Set condition

Motor phase or bus current calibration offset is out of the nominal range.

Clear condition

Idle current readings are within the acceptable range and current calibration is retried. A DRIVE or power cycle is necessary to retry current calibration.

Signals to check

These diagnostic fields are associated with PSFA_a138. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Bus Current PSFA_a138_busCurrent amp
Bus Current Valid PSFA_a138_busCurrentValid —
Bus Out Of Range PSFA_a138_busOutOfRange —
Phase A Current PSFA_a138_phaseACurrent amp
Phase A Current Valid PSFA_a138_phaseACurrentValid —
Phase B Current PSFA_a138_phaseBCurrent amp
Phase B Current Valid PSFA_a138_phaseBCurrentValid —
Phase C Current PSFA_a138_phaseCCurrent amp
Show 2 more fields
Signal Unit
Phase C Current Valid PSFA_a138_phaseCCurrentValid —
Phase Out Of Range PSFA_a138_phaseOutOfRange —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PSFA_a138.

Browse all PSFA alert codes