Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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A battery pack 1 brick voltage is below the open circuit voltage (OCV) undervoltage limit at rest.
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A battery pack 1 brick voltage is below the under voltage OCV limit for X duration (in seconds) while contactors are open.
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Drive may be blocked.
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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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A battery pack 2 brick voltage is below the under voltage fault limit.
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A battery pack 2 brick voltage is below the under voltage fault limit for X duration (in seconds)
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Inability to enter drive or support the low voltage (LV) system
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A battery pack 1 brick voltage is below the under voltage fault limit.
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A battery pack 1 brick voltage is below the under voltage fault limit for X duration (in seconds)
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Inability to enter drive or support the low voltage (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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A battery pack 2 brick voltage is below the over discharged voltage limit.
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A battery pack 2 brick voltage is below the over discharged voltage limit for X duration (in seconds)
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The vehicle will not drive or charge.
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A battery pack 1 brick voltage is below the over discharged voltage limit.
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A battery pack 1 brick voltage is below the over discharged voltage limit for X duration (in seconds)
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The vehicle may not drive.
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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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A battery pack 2 brick voltage is above the fault voltage limit.
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A battery pack 2 brick voltage is above the fault voltage limit for X duration (in seconds)
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The vehicle may not drive or charge.
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A battery pack 1 brick voltage is above the fault voltage limit.
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A battery pack 1 brick voltage is above the fault voltage limit for X duration (in seconds)
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The vehicle may not drive or charge.
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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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Indicates a Battery Monitoring Board (BMB) reference voltage has continuously been out of bounds.
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Any BMB reference voltage has continuously deviated outside the in-bounds threshold of the nominal voltage
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Other BMB voltage signals will be substituted given the reference voltage is unreliable
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Indicates valid data is missing for one or more stack voltages.
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One or more stack voltages are continuously detected as invalid
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Stack voltage data is likely being substituted to replace invalid readings
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Indicates valid data is missing for one or more brick voltages.
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One or more brick voltages are continuously detected as invalid
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Brick voltage data is likely being substituted to replace invalid readings
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FC 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 will stop charging.
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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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FC contactor exited the economized state unexpectedly. Possibly insufficient coil drive current.
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Contactor control state exited CLOSED because either of the contactors exited ECONOMIZED.
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Vehicle will stop charging.
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