Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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The generated power rail (4.5V, 10V, or 18V) has gone above than the allowed upper threshold.
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The power rail (4.5V, 10V or 18V) has gone above than the allowed upper threshold
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DCDC and DCAC may be limited or unavailable.
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The Power Conversion System (PCS2) detects that the DCAC converter's shared leg current is not shared evenly when the legs are shorted by either the AC harness or the AC relay.
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The shared leg current difference exceeds the expected threshold.
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The DCAC converters will have reduced power capabilities.
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The Power Conversion System (PCS) DCDC HVDC Gate Drive Power Supply (GDPS) has not been correctly calibrated.
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The DCDC HVDC GDPS calibration data is not present in NVM (DcdcHvdcGdpsDataMissing=1), or is not validated (DcdcHvdcGdpsDataOutOfSpec=1), or is stale (DcdcHvdcGdpsDataStale=1)
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The PCS will use inaccurate GDPS calibration data, which may stress the DCDC HVDC MOSFETs.
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The Power Conversion System (PCS) DC tank Gate Drive Power Supply (GDPS) has not been correctly calibrated.
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The DC tank GDPS calibration data is not present in NVM (DcTankGdpsDataMissing=1), or is not validated (DcTankGdpsDataOutOfSpec=1), or is stale (DcTankGdpsDataStale=1)
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The PCS will use inaccurate GDPS calibration data, which may stress the DC tank MOSFETs.
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The Power Conversion System (PCS) AC tank Gate Drive Power Supply (GDPS) has not been correctly calibrated.
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The AC tank GDPS calibration data is not present in NVM (AcTankGdpsDataMissing=1), or is not validated (AcTankGdpsDataOutOfSpec=1), or is stale (AcTankGdpsDataStale=1)
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The PCS will use inaccurate GDPS calibration data, which may stress the AC tank MOSFETs.
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The Power Conversion System (PCS) AC line Gate Drive Power Supply (GDPS) has not been correctly calibrated.
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The AC line GDPS calibration data is not present in NVM (AcLineGdpsDataMissing=1), or is not validated (AcLineGdpsDataOutOfSpec=1), or is stale (AcLineGdpsDataStale=1)
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The PCS will use inaccurate GDPS calibration data, which may stress the AC line MOSFETS.
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The boost converter, which supplies power to various on-board circuits, has a current above the allowed threshold.
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The boost converter current has gone above the allowed threshold
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DCDC and DCAC may be limited or unavailable.
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The Power Conversion System (PCS2) self-performed MOSFET health check is unsuccessful on Cyclo Converter B.
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The PCS2 ECU does not pass the self-performed MOSFET health check on Cyclo Converter B
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DCAC may be limited or unavailable.
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The Power Conversion System (PCS2) self-performed MOSFET health check is unsuccessful on Cyclo Converter A.
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The PCS2 ECU does not pass the self-performed MOSFET health check on Cyclo Converter A
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DCAC may be limited or unavailable.
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The DCAC ENABLE hard line functionality is disabled.
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The DCAC ENABLE line functionality is disabled
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The high voltage battery controller (HVBATT) cannot force shutdown DCAC by de-asserting the DCAC ENABLE line
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The Power Conversion System (PCS2) detects the microgrid frequency droops below its nominal level indicating microgrid is under heavy load.
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The PCS2 ECU detects the microgrid frequency droops below its nominal level
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AC charging power will be temporarily limited depending on the droop level to reduce the load on the microgrid
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The Non-Volatile Memory (NVM) server encountered at least one error during initialization.
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A step in the NVM server initialization sequence returns an error indication
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NVM record servicing is not possible, making Power Conversion System (PCS2) functionality limited or unavailable
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The Power Conversion System (PCS2) has detected that one of its DCDC stage's resonant tank current zero-crossing event measured timing is continuously out of our control.
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The Power Conversion System (PCS2) has detected the resonant tank's zero-crossing behavior is out of its control, resulting in zero-crossing event measured timing being irrational
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The impacted DCDC stage may have a hardware integrity issue and may not be able to deliver power to its output
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The Power Conversion System (PCS2) has failed the self-performed Gate Drive Power Supply (GDPS) health check on Cyclo Converter B.
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The PCS2 ECU does not pass the self-performed GDPS health check on Cyclo Converter B
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DCAC may be limited or unavailable.
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The Power Conversion System (PCS2) has failed the self-performed Gate Drive Power Supply (GDPS) health check on Cyclo Converter A.
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The PCS2 ECU does not pass the self-performed GDPS health check on Cyclo Converter A
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DCAC may be limited or unavailable.
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The high voltage (HV) side of the pack side DCDC converter (DCDCB) temperature is too high.
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DCDCB HV temperature exceeds the allowed temperature threshold
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DCDC functionality may be limited or paused
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The DCAC lifetime kVAh record is not ready for use.
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Lifetime kVAh accumulation counters for DCAC is not in an expected state
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Lifetime kVAh accumulation counters for DCAC cannot be stored
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The Power Conversion System (PCS) detects the initial high voltage (HV) bus voltage is too high to measure capacitance, so it must rely on the maximum possible capacitance value instead for HV bus impedance estimation.
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The initial HV bus voltage is too high to measure capacitance, so PCS must use maximum possible capacitance value to estimate HV bus impedance.
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PCS may underestimate the HV bus impedance.
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The Power Conversion System (PCS) cannot precharge the high voltage (HV) bus.
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The PCS detects one or more conditions preventing it from precharging the HV bus to its commanded voltage target
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The DCDC converter may not precharge the HV bus to its commanded voltage target, preventing HV battery pack contactors from closing.
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PCS does not receive CAN messages from VCRIGHT.
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PCS does not receive all expected CAN messages from right vehicle controller
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DCDC functionality may be limited
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