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PCS2_a143 — Ac Tank Gdps Uncalibrated

Full alert identifier: PCS2_a143_AcTankGdpsUncalibrated

Alert description

The Power Conversion System (PCS) AC tank Gate Drive Power Supply (GDPS) has not been correctly calibrated

Potential impact

The PCS will use inaccurate GDPS calibration data, which may stress the AC tank MOSFETs.

Set condition

The AC tank GDPS calibration data is not present in NVM (AcTankGdpsDataMissing=1), or is not validated (AcTankGdpsDataOutOfSpec=1), or is stale (AcTankGdpsDataStale=1)

Clear condition

The PCS AC tank GDPS calibration data is correctly calibrated

Signals to check

These diagnostic fields are associated with PCS2_a143. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Ac Tank Gdps Data Missing PCS2_a143_AcTankGdpsDataMissing —
Ac Tank Gdps Data Out Of Spec PCS2_a143_AcTankGdpsDataOutOfSpec —
Ac Tank Gdps Data Stale PCS2_a143_AcTankGdpsDataStale —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of PCS2_a143.

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