SDCF_a001 — Power On Self Test Failed

Full alert identifier: SDCF_a001_powerOnSelfTestFailed

Alert description

Secondary disconnect controller (SDC) failed the drive unit pyro self-test.

Pyro disconnect may not function as expected.

Pyro test voltages were out of range during pyro self-test.

Drive / Non-drive transition with successful pyro self-test.

These diagnostic fields are associated with SDCF_a001. Check the alert's Alert Log in Service Mode Plus for available values.

Signal	Unit
HV Backup Supply V `SDCF_a001_HVBackupSupplyV`	V
Boost Rail V `SDCF_a001_boostRailV`	V
Expected Pyro V Max `SDCF_a001_expectedPyroV_max`	V
Expected Pyro V Min `SDCF_a001_expectedPyroV_min`	V
From State `SDCF_a001_fromState` 0 PENDING 1 TEST PYRO BOTH OFF1 2 TEST PYRO H ON 3 TEST PYRO BOTH OFF2 4 TEST PYRO L ON 5 PASSED 6 FAILED 7 SKIPPED	—
Pyro Sense V `SDCF_a001_pyroSenseV`	V

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of SDCF_a001.