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FC_a144 — CA flyback Unstable

Full alert identifier: FC_a144_CA_flybackUnstable

Alert description

The Fast Charge (FC) Electronic Control Unit (ECU) has detected a critical flyback converter unstable fault. The emergency shutdown will be performed for the charging session.

Potential impact

Charging session may not start or may become interrupted.

Set condition

FC ECU detects the flyback voltage slews by more than 10kV over a single 10mS period while the flyback is in the drive state.

Clear condition

FC ECU set the flyback target mode to OFF.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of FC_a144.

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