Alerts
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| Signal Name | Description | Condition | Impact | Important |
|---|---|---|---|---|
|
Tried to close negative contactor but failed because a voltage match was not maintained.
|
Contactor state timed out of PULLED_IN because a voltage match was not maintained.
|
Negative FC contactor will remain open.
|
No
|
|
|
Tried to close positive contactor but failed because a voltage match was not maintained.
|
Contactor state timed out of PULLED_IN because a voltage match was not maintained.
|
Positive FC contactor will remain open.
|
No
|
|
|
Tried to close negative contactor but failed because the coil drive current was too low.
|
Contactor state timed out of PULLED_IN because of insufficient contactor coil current.
|
Negative FC contactor will remain open.
|
No
|
|
|
Tried to close positive contactor but failed because the coil drive current was too low.
|
Contactor state timed out of PULLED_IN because of insufficient contactor coil current.
|
Positive FC contactor will remain open.
|
No
|
|
|
Did not try to close negative contactor because a voltage match was not achieved.
|
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.
|
Negative FC contactor will remain open.
|
No
|
|
|
Did not try to close positive contactor because a voltage match was not achieved.
|
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.
|
Positive FC contactor will remain open.
|
No
|
|
|
The battery management system (BMS) detects that the high voltage (HV) isolation contactor closed below the warning threshold.
|
The BMS detects that the HV isolation was below the warning threshold when pack contactors closed.
|
This alert indicates that HV isolation is low, but above the sufficient level for vehicle operation.
|
No
|
|
|
The battery management system (BMS) detects that high voltage (HV) isolation is too low while pack contactors are closed.
|
The BMS has detects that HV isolation is below the warning threshold while contactors are closed.
|
Inability to charge, drive, or support the low voltage (LV) system
|
No
|
|
|
The Range Extender Battery Management System (BMS) or High Voltage Controller (HVCON) detects the pyro was deployed by the passive pyro circuit.
|
The passive pyro circuit deploys the pyro.
|
The High Voltage (HV) pack may be blocked, which will prevent the vehicle from driving or charging.
|
No
|
|
|
The Range Extender Battery Management System (BMS) or High Voltage Controller (HVCON) detects the pyro was deployed by vehicle firmware.
|
The pyro was deployed by vehicle firmware.
|
The High Voltage (HV) pack may be blocked, which will prevent the vehicle from driving or charging.
|
No
|
|
|
The Range Extender Battery Management System (BMS) or High Voltage Controller (HVCON) detects there was an attempt to deploy the pyro, but the attempt was unsuccessful.
|
Vehicle firmware could not successfully trigger a pyro deployment, or there was an attempt to deploy the pyro while the deployment test was actively running on the pyro.
|
The vehicle may be unable to drive or charge.
|
No
|
|
|
A battery pack brick voltage is below the open circuit voltage (OCV) undervoltage limit at rest.
|
A battery pack brick voltage is below the under voltage OCV limit for X duration (in seconds) while contactors are open.
|
Drive may be blocked.
|
No
|
|
|
A battery pack brick voltage is below the over discharged voltage limit
|
A battery pack brick voltage is below the over discharged voltage limit for X duration (in seconds)
|
The vehicle may not drive.
|
No
|
|
|
A battery pack brick voltage is above the fault voltage limit
|
A battery pack brick voltage is above the fault voltage limit for X duration (in seconds)
|
The vehicle may not drive or charge.
|
No
|
|
|
Indicates a Battery Monitoring Board (BMB) reference voltage has continuously been out of bounds
|
Any BMB reference voltage has continuously deviated outside the in-bounds threshold of the nominal voltage
|
Other BMB voltage signals will be substituted given the reference voltage is unreliable
|
No
|
|
|
Indicates valid data is missing for one or more stack voltages
|
One or more stack voltages are continuously detected as invalid
|
Stack voltage data is likely being substituted to replace invalid readings
|
No
|
|
|
Indicates valid data is missing for one or more brick voltages
|
One or more brick voltages are continuously detected as invalid
|
Brick voltage data is likely being substituted to replace invalid readings
|
No
|
|
|
Sets immediately on SPI comms errors for visibility into the health of the comms interface
|
Communication error with the shunt asic on single SPI
|
ShuntAsicFault is at risk of being triggered soon
|
No
|
|
|
Passive reference is out-of-tolerance
|
Passive reference is out-of-tolerance
|
Passive thresholds are affected
|
No
|
|
|
Shunt bar temperature is too high
|
Shunt bar temperature is too high
|
Battery pack HV will be blocked. Shunt may become physically damaged.
|
No
|