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DIRER_a154 — Resolver

Full alert identifier: DIRER_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 DIRER_a154. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Carrier Offset DIRER_a154_carrierOffset —
Cla MIA DIRER_a154_claMIA —
Common Gain DIRER_a154_commonGain 1
Error Table Invalid DIRER_a154_errorTableInvalid —
Motor RPM DIRER_a154_motorRPM RPM
No Calibration DIRER_a154_noCalibration —
No Carrier DIRER_a154_noCarrier —
No Phase Lock DIRER_a154_noPhaseLock —
Show 3 more fields
Signal Unit
Not Ready DIRER_a154_notReady —
Phase Error DIRER_a154_phaseError 1
Tracker Irrational DIRER_a154_trackerIrrational —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DIRER_a154.

Browse all DIRER alert codes