Alerts

Alerts

Signal Name Description Condition Impact
STITCH2_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.
STITCH2_a025_SW_LV_UV
A slow software trip has been detected due to Low Voltage (LV) readings being below the expected threshold during operation.
LV output voltage drops below the expected undervoltage threshold for the given time interval.
Continuous operation at a low LV output could cause hardware damage.
STITCH2_a027_FW_HV_BUS_TOP_UV
A fast firmware trip has been detected due to High Voltage (HV) readings being below the expected bus top half voltage threshold.
Single HV top half bus voltage drops below the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH2_a028_FW_HV_BUS_BOT_UV
A fast firmware trip has been detected due to High Voltage (HV) readings being below the expected bus bottom half voltage threshold.
Single HV bottom half bus voltage drops below the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH2_a029_SW_HV_Bus_Top_UV
A software trip has been detected due to High Voltage (HV) readings being below the expected bus top half voltage threshold.
Single HV top half bus voltage drops below the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH2_a030_SW_HV_Bus_Bot_UV
A software trip has been detected due to High Voltage (HV) readings being below the expected bus bottom half voltage threshold.
Single HV bottom half bus voltage drops below the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH2_a031_HV_Half_Bus_Unbalance
A software trip has been detected due to High Voltage (HV) readings exceeding the expected unbalance half voltage threshold.
HV half bus voltage unbalance readings exceed the expected threshold for the given time interval.
STITCH will halt operation since high HV half bus unbalance would cause device failure.
STITCH2_a032_HV_Half_Bus_Balancer_Fail
A software trip has been detected due to High Voltage (HV) readings exceeding the expected unbalance half voltage threshold during balancer operation.
HV half bus voltage unbalance readings exceed the expected threshold for the given time interval.
STITCH will throw warning without halting operation.
STITCH2_a033_Stg_1_Hv_To_Zc_Ctrl_Fail
A stage 1 controller trip error has been detected due to prolonged High Voltage (HV) to Zone Controller (ZC) saturation.
HV to ZC controller output exceeds the expected saturation time interval.
STITCH will halt operation due to HV to ZC controller fail.
STITCH2_a034_Stg_2_Hv_To_Zc_Ctrl_Fail
A stage 2 controller trip error has been detected due to prolonged High Voltage (HV) to Zone Controller (ZC) saturation.
HV to ZC controller output exceeds the expected saturation time interval.
STITCH will halt operation due to HV to ZC controller saturation.
STITCH2_a035_Stg_1_Zc_To_Lv_Ctrl_Fail
A stage 1 controller trip error has been detected due to prolonged Zone Controller (ZC) to Low Voltage (LV) controller saturation.
ZC to LV controller output exceeds the expected saturation time interval.
STITCH will halt operation due to ZC to LV controller saturation.
STITCH2_a036_Stg_2_Zc_To_Lv_Ctrl_Fail
A stage 2 controller trip error has been detected due to prolonged Zone Controller (ZC) to Low Voltage (LV) controller saturation.
ZC to LV controller output exceeds the expected saturation time interval.
STITCH will halt operation due to ZC to LV controller saturation.
STITCH3_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.
STITCH2_a037_LV_Voltage_Ctrl_Fail
A controller trip error has been detected due to Low Voltage (LV) measurement and reference exceeding the expected difference threshold during steady state operation.
LV voltage measurement and reference difference is above the expected threshold for the given time interval.
STITCH will halt operation due to LV voltage controller failure.
STITCH2_a038_LV_Current_Ctrl_Fail
A controller trip error has been detected due to Low Voltage (LV) current measurement and reference exceeding the expected difference threshold during steady state operation.
LV voltage current measurement and reference difference is above the expected threshold for the given time interval.
STITCH will halt operation due to LV current controller failure.
STITCH2_a039_Temp_Sensor_Invalid
One of the temperature sensors is reporting an out of range reading.
One of the temperature sensors is reporting an out of range reading.
STITCH will throw warning without halting operation.
STITCH2_a041_Ref_1V5_Invalid
The 1V5 reference voltage reading is outside of the expected minimum and maximum thresholds.
The 1V5 reference voltage is outside of the expected minimum and maximum range for the given time interval.
STITCH will throw warning.
STITCH3_a007_SW_HV_Full_Bus_OV
A software trip has been detected due to High Voltage (HV) readings exceeding the expected voltage limit.
HV voltage exceeds the expected threshold.
STITCH will halt operation, low voltage will not be supported.
STITCH3_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.
STITCH2_a042_Ambient_Over_Temp
The ambient temperature sensor reading exceeds the expected temperature threshold.
The ambient temperature sensor reading exceeds the expected temperature threshold.
STITCH will throw warning.