Alerts

Alerts

Signal Name Description Condition Impact
STITCH4_a024_LV_UV
An instantaneous hardware Low Voltage (LV) trip has been detected due to an undervoltage condition.
LV output voltage drops below the expected undervoltage threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a023_NVRAM_Manager_Error
An operation on the Electrically Erasable Programmable Read-Only Memory (EEPROM) has failed. This alert provides record ID, error type, and number of errors since the last task loop.
An operation on the EEPROM failed.
The payload signals for this alert will indicate the nature of the error.
STITCH4_a022_CAN_MIA
STITCH command Controller Area Network (CAN) messages are not received .
STITCH command CAN messages are Missing In Action (MIA).
STITCH will halt operation, low voltage will not be supported.
STITCH4_a021_SW_HV_Bus_Bot_OV
A software trip has been detected due to High Voltage (HV) bus bottom half voltage readings exceeding the expected limit during operation.
Single HV bottom half bus voltage exceeds the expected threshold.
STITCH will halt operation, high voltage will not be supported.
STITCH4_a020_SW_HV_Bus_Top_OV
A software trip has been detected due to High Voltage (HV) bus top half voltage readings exceeding the expected limit during operation.
Single HV top half bus voltage exceeds the expected threshold.
STITCH will halt operation, high voltage will not be supported.
STITCH4_a016_HW_ZCD_Fail
The hardware comparator for measurement tank zero-current crossing has experienced a potential failure.
Tank zero-current cross is invalid for 1 second.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a015_SDFM_Invalid
The Sigma Delta Filter Module (SDFM) peripheral is not powered, potentially due to not enough DC voltage being provided to the SDFM.
One of the SDFM modules indicates either a clock failure or an irrational reading.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a014_Stg_2_HV_Over_Temp
A software trip has been detected due to the stage 2 high voltage side board temperature sensor exceeding the expected temperature limit.
Stage 2 HV temperature sensor reads above the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a013_Stg_1_HV_Over_Temp
A software trip has been detected due to the stage 1 high voltage side board temperature sensor exceeding the expected temperature limit.
Stage 1 HV temperature sensor reads above the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a012_Stg_2_LV_Over_Temp
A software trip has been detected due to the stage 2 low voltage side board temperature sensor exceeding the expected temperature limit.
Stage 2 LV temperature sensor reads above the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a011_Stg_1_LV_Over_Temp
A software trip has been detected due to the stage 1 Low Voltage (LV) side board temperature sensor exceeding the expected temperature limit.
Stage 1 LV temperature sensor reads above the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a009_FW_HV_Bus_Top_OV
A fast firmware trip has been detected due to High Voltage (HV) readings exceeding the expected bus top half voltage limit.
Single HV top half bus voltage exceeds the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a008_SW_HV_Full_Bus_UV
A software trip has been detected due to High Voltage (HV) readings dropping below the expected undervoltage limit.
HV voltage drops below the expected undervoltage threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a006_LV_OC
An instantaneous hardware Low Voltage (LV) trip has been detected due to an overvoltage condition.
LV output voltage exceeds the expected overcurrent threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a005_LV_OV
An instantaneous hardware Low Voltage (LV) trip has been detected due to an overvoltage condition.
LV output voltage exceeds the expected overvoltage threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH4_a004_STG_1_TANK_I_OC
A stage 1 instantaneous hardware trip has been detected due to a Stage A tank current condition.
The absolute tank current has exceeded the expected threshold.
The condition can lead to potential hardware damage if persistently observed.
STITCH4_a003_STG_2_TANK_I_OC
A stage 2 instantaneous hardware trip has been detected due to a stage B tank current condition.-.
The absolute tank current has exceeded the expected threshold.
The condition can lead to potential hardware damage if persistently observed.
STITCH4_a002_LV_Precharge_Timeout
Low Voltage (LV) bus voltage precharge timed out. LV rail cannot be brought up.
LV bus voltage precharge times out.
Precharge can enable at too high of a load or short on LV.
STITCH3_a045_dcdcTempHot
The STITCH Low Voltage (LV) temperature sensor has detected the internal over temperature threshold exceeds 25.0 degC.
The STITCH LV temperature sensor has detected the internal over temperature threshold exceeds 25.0 degC.
This alert has no functional impact on the vehicle.
STITCH3_a044_Persistent_Lockout
STITCH has been locked out due to an environmental or hardware condition preventing normal operation.
STITCH encounters a hardware or environmental condition preventing normal operation.
STITCH will be persistently locked out.