Alerts
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| Signal Name | Description | Condition | Impact |
|---|---|---|---|
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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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Charging faulted due to too large of a voltage drop between starting charge and during charge.
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Charger detects greater than 14% input voltage drop after ramping power
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Inability to AC charge, possibly due to bad wiring external to vehicle
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The AC Line 2 current has an irrationally high DC offset.
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The AC Line 2 current has an irrationally high DC offset
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AC Charging may be limited or unavailable.
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The AC Line 1 current has an irrationally high DC offset.
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The AC Line 1 current has an irrationally high DC offset
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AC Charging may be limited or unavailable.
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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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The AC Line 3 to Neutral voltage has an irrationally high DC offset.
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The AC Line 3 to Neutral voltage has an irrationally high DC offset
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AC Charging may be limited or unavailable.
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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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The onboard charger fails to keep the intermediate bus, an internal component involved in AC/DC conversion, at the required voltage. AC charge rate will be reduced, or AC charging may be unavailable.
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The onboard charger intermediate bus voltage is below minimum required voltage threshold.
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Reduced AC charge rate or inability to AC charge.
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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 pack side DCDC converter (DCDCA) resonant tank calibration data is out of specification.
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A tank capacitance or inductance measurement for DCDCA is not within the design margin
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DCDC operation allowed with default resonant tank parameters, but risk of damaging the converter due to hard switching
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The Power Conversion System (PCS) detects an unknown grid configuration from the external charging equipment.
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The PCS detects unknown grid configuration
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AC charging functionality may be unavailable
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AC voltage is not present while the The Power Conversion System (PCS) is expecting AC voltage to be provided by the external charging equipment.
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The PCS does not detect AC input voltage while being commanded to charge
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AC charging functionality may be unavailable
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DCAC converter B (DCACB) is not operational.
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DCACB has exhausted all of its retries due to various conditions affecting functionality.
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AC Charging may be limited or unavailable.
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DCAC converter A (DCACA) is not operational.
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DCACA has exhausted all of its retries due to various conditions affecting functionality.
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AC Charging may be limited or unavailable.
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The Power Conversion System (PCS) detects the DCDC ENABLE digital line is deasserted when DCDC is commanded to operate.
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The PCS detects the DCDC ENABLE digital line is deasserted when DCDC is commanded to operate
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DCDC converter will be forced shutdown due to this ENABLE line deassertion
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DCAC converter B (DCACB) resonant tank has not been fully calibrated.
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A tank capacitance or inductance measurement for DCACB is not recorded in Non-Volatile Memory (NVM)
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DCAC operation allowed with default resonant tank parameters at reduced surge current limit
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DCAC converter A (DCACA) resonant tank has not been fully calibrated.
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A tank capacitance or inductance measurement for DCACA is not recorded in Non-Volatile Memory (NVM)
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DCAC operation allowed with default resonant tank parameters at reduced surge current limit
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The DC link side DCDC converter (DCDCB) resonant tank has not been fully calibrated.
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A tank capacitance or inductance measurement for DCDCB is not recorded in Non-Volatile Memory (NVM)
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DCDC operation allowed with default resonant tank parameters, but risk of damaging the converter due to hard switching
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