Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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PCS charging input peak over-voltage
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Charger peak AC input voltage exceeds overvoltage threshold
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Reduced AC charge rate or inability to AC charge
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PCS charging input RMS over-voltage
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Charger RMS AC input voltage exceeds overvoltage threshold
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Reduced AC charge rate or inability to AC charge
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PCS charging input under-frequency
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Charger AC input frequency is below minimum frequency threshold for more than one second
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Reduced AC charge rate or inability to AC charge
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PCS charging input over-frequency
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Charger AC input frequency exceeds maximum frequency threshold for more than one second
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Reduced AC charge rate or inability to AC charge
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Charging faulted due to high measured grid impedance (impedance detection algorithmn)
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TBD - not yet implemented
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TBD - not yet implemented
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Charging derated due to high measured grid impedance (impedance detection algorithmn)
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TBD - not yet implemented
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TBD - not yet implemented
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High DC offset present on charger input current sensor when charge functionality is not enabled. Indicates issue with vehicle if seen multiple times over multiple days.
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Charger line current sensor DC offset exceeds threshold for more than three seconds while charging is inactive
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Reduced AC charge rate or inability to AC charge
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The onboard charger detects a large voltage drop over time compared to initial voltage when charging commenced. AC charge rate is reduced. This alert is frequently associated with the condition of wiring or electrical power grids external to the vehicle.
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The onboard charger detects greater than 12% input voltage drop compared to initial voltage when charging commenced.
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Reduced AC charge rate.
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AC voltage not present while being commanded to charge
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Charger does not detect AC input voltage to phase while starting up
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Inability to start AC charging
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DCDC converter 12V support has faulted
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DCDC converter 12V support has faulted
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Inability to support 12V system
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PCS DCDC temperature sensor is reporting irrational value
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DCDC converter temperature is outside expected range for more than one second
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Reduced available DCDC output power
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PCS detects that at least one bootloader has mismatched CRC
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Power conversion system application detects that calculated bootloader CRC is unexpected
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Inability to update, inability to boot AC charger
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PCS detects the HV bus impedance is higher than the expected value
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DCDC converter detects high impedance on HV bus when precharging (capacitance too low)
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS detects the HV bus impedance is lower than the expected value
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DCDC converter detects low impedance on HV bus when precharging (short circuit or capacitance too high)
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS DCDC is not able to regulate LV output
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DCDC converter 12V support regulator detects irrational condition
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Inability to support 12V system
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PCS DCDC failed to precharge HV bus to the target voltage
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DCDC converter was unable to precharge HV bus when commanded to
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS DCDC detects its temperature is too hot to continue operation
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DCDC converter temperature exceeds overtemperature threshold for more than one second
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS DCDC detects a fault condition in its CLA co-processor
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DCDC converter control law accelerator detects irrational condition
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS DCDC detects resonant tank over current event
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DCDC converter detects resonant tank current exceeds overcurrent threshold
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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PCS DCDC detects 12V bus voltage is higher than the safety threshold to continue its operation
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DCDC converter detects that low voltage bus voltage exceeds overvoltage threshold
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Inability to precharge HV bus, inability to support 12V system, inability to drive
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