FC_w144 — CA flyback Unstable

Full alert identifier: FC_w144_CA_flybackUnstable

Message shown in the car

Charging adapter fault Unplug and retry

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_w144.

FC_w145 — CA flyback Data Stale FC_w145_CA_flybackDataStale The Fast Charge (FC) Electronic Control Unit (ECU) has detected a flyback has been disabled for an extended period.
FC_w130 — CA flyback SW OV FC_w130_CA_flyback_SW_OV The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a software overvoltage event during flyback.
FC_w156 — CA flyback Run Timeout FC_w156_CA_flybackRunTimeout The Fast Charge (FC) Electronic Control Unit (ECU) has detected flyback been running too long and became timeout.
FC_w129 — CA flyback HW OC FC_w129_CA_flyback_HW_OC The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a hardware overcurrent event during flyback.
FC_w131 — CA flyback HW OV FC_w131_CA_flyback_HW_OV The vehicle is unable to begin CHAdeMO DC fast charging because the fast charge (FC) electronic control unit (ECU) detects a hardware overvoltage event during flyback.

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