Skip to content

HVBATT_a140 — Pack Neg Ctr Open Fail Voltage Match Pres

Full alert identifier: HVBATT_a140_PackNegCtrOpenFailVoltageMatchPres

Alert description

Negative contactor is expected to be open but the voltage match remains. Possible weld detected.

Potential impact

The pyro fuse may be deployed.

Set condition

Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to a weld not having been disqualified.

Clear condition

Contactor state is OPEN or PULLED_IN.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVBATT_a140.

Browse all HVBATT alert codes