Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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A pack module temperature is above maximum temperature limit
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A pack module temperature is above maximum temperature limit for X duration (in seconds)
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The conactors may open immdediately or pyro fuse may blow
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Warns if the crash signal is detected by HVP
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The crash signal is detected by HVP
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The pyro fuse will blow
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Warns if the low voltage battery is below minimum voltage threshold
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The low voltage battery is below minimum voltage threshold
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The contactors may not remain closed
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Positive contactor is expected to be open but HV current is still present. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to HV current not being low enough to open contactors.
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The pyro fuse may be deployed.
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Negative contactor is expected to be open but the voltage match remains. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to a weld not having been disqualified.
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The pyro fuse may be deployed.
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Positive contactor is expected to be open but the voltage match remains. Possible weld detected.
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Contactor state timed out of OPENING (and transitioned to AUX_MISMATCH) due to a weld not having been disqualified.
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The pyro fuse may be deployed.
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Negative contactor is expected to be open but aux reports them as still closed.
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Contactor state timed out of the OPENING state (and transitioned to AUX_MISMATCH) due to aux reporting the contactor as still closed.
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Firmware will try to open the contactor again.
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Positive contactor is expected to be open but aux reports them as still closed.
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Contactor state timed out of the OPENING state (and transitioned to AUX_MISMATCH) due to aux reporting the contactor as still closed.
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Firmware will try to open the contactor again.
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The shunt measurement Asic is not producing data.
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Timeout on expected communication
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Shunt readings are stale
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Negative contactor was blocked from opening due to high current. Pyro deployed instead.
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High voltage current is too high while attempting to open the contactor.
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The negative pyro fuse will be deployed.
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Positive contactor was blocked from opening due to high current. Pyro deployed instead.
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High voltage current is too high while attempting to open the contactor.
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The positive pyro fuse will be deployed.
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Negative contactor opened unexpectedly due to insufficient coil drive current.
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Contactor state exited ECONOMIZED because coil current was too low.
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Vehicle may lose propulsion or be unable to support LV system.
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Positive contactor opened unexpectedly due to insufficient coil drive current.
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Contactor state exited ECONOMIZED because coil current was too low.
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Vehicle may lose propulsion or be unable to support LV system.
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Tried to close negative contactor but failed because a voltage match was not maintained.
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Contactor state timed out of PULLED_IN because a voltage match was not maintained.
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Negative pack contactor will remain open.
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Tried to close positive contactor but failed because a voltage match was not maintained.
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Contactor state timed out of PULLED_IN because a voltage match was not maintained.
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Positive pack contactor will remain open.
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Tried to close negative contactor but failed because the coil drive current was too low.
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Contactor state timed out of PULLED_IN because of insufficient contactor coil current.
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Negative pack contactor will remain open.
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Tried to close positive contactor but failed because the coil drive current was too low.
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Contactor state timed out of PULLED_IN because of insufficient contactor coil current.
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Positive pack contactor will remain open.
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Did not try to close negative contactor because a voltage match was not achieved.
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Contactor state is OPEN and the PULLED_IN state has been blocked for more than 10s because a required HV voltage match has not been achieved.
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Negative pack contactor will remain open.
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Did not try to close positive contactor because a voltage match was not achieved.
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Contactor state is OPEN and the PULLED_IN state has been blocked for more than 10s because a required HV voltage match has not been achieved.
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Positive pack contactor will remain open.
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Contactor opened unexpectedly due to insufficient contactor drive voltage.
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Contactor control state exited CLOSED because of insufficient contactor power voltage.
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Vehicle may lose propulsion or be unable to support LV system.
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