Battery management system alerts
Browse 407 BMS alert codes and open an entry for its description and recorded conditions.
BMS alert codes
Showing 1–50 of 407
- BMS_d001 — Internal Batt Failure BMS_d001_Internal_Batt_Failure
- BMS_d002 — Internal Iso Failure BMS_d002_Internal_Iso_Failure
- BMS_d003 — FEIM Failure BMS_d003_FEIM_Failure
- BMS_d004 — System Iso Failure BMS_d004_System_Iso_Failure
- BMS_d005 — Pos Ctr Stuck Closed BMS_d005_Pos_Ctr_Stuck_Closed
- BMS_d006 — Neg Ctr Stuck Closed BMS_d006_Neg_Ctr_Stuck_Closed
- BMS_d007 — HVIL Fault BMS_d007_HVIL_Fault
- BMS_d008 — HV Discharge Fault BMS_d008_HV_Discharge_Fault
- BMS_d009 — Over Temperature BMS_d009_Over_Temperature
- BMS_d010 — Precharge Too Short BMS_d010_Precharge_Too_Short
- BMS_d011 — Precharge Too Long BMS_d011_Precharge_Too_Long
- BMS_d012 — 12 V Undervoltage BMS_d012_12V_Undervoltage
- BMS_d013 — 12 V Overvoltage BMS_d013_12V_Overvoltage
- BMS_d014 — Replace Desiccant BMS_d014_Replace_Desiccant
- BMS_d015 — Flood BMS_d015_Flood
- BMS_f001 — HW Over Current BMS_f001_HW_Over_Current The battery management system (BMS) has detected that the high voltage (HV) battery pack current exceeds the hardware overcurrent threshold.
- BMS_f002 — HW Over Voltage BMS_f002_HW_Over_Voltage The battery management system (BMS) has detected that the pack voltage is too high.
- BMS_f003 — HW Module Alarm BMS_f003_HW_Module_Alarm The battery management system (BMS) has detected that one or more of the battery modules has reported an alert. This alert may be set falsely at extremely low LV battery voltages.
- BMS_f004 — Unused 4 BMS_f004_Unused_4 to do.
- BMS_f005 — Unused 5 BMS_f005_Unused_5
- BMS_f006 — HW Ctr Sfty Override BMS_f006_HW_Ctr_Sfty_Override The battery management system (BMS) detects unexpected voltage on the contactor service bypass pin.
- BMS_f007 — SW Module Alarm Broken BMS_f007_SW_Module_Alarm_Broken The battery management system (BMS) has detected that there is an issue with the battery monitor board (BMB) alarm.
- BMS_f008 — HW HVIL BMS_f008_HW_HVIL There is a hardware problem with the high voltage interlock loop (HVIL).
- BMS_f009 — SW Pos Contactor Drive BMS_f009_SW_Pos_Contactor_Drive There is an issue with the positive contactor drive circuit. This alert may indicate an open contactor drive circuit, a falsely closed contactor loop, an increase in the contactor coil current during economized operation, or that a contact…
- BMS_f010 — SW Neg Contactor Drive BMS_f010_SW_Neg_Contactor_Drive There is an issue with the negative contactor drive circuit. This alert may indicate an open pack contactor drive circuit, a falsely closed pack contactor loop, an increase in the pack contactor coil current during economized operation, or…
- BMS_f011 — HW Illegal Ctr Req BMS_f011_HW_Illegal_Ctr_Req The battery management system (BMS) detects that there are system faults and prevents the pack contactors from closing.
- BMS_f012 — HW Pump Drive Fault BMS_f012_HW_Pump_Drive_Fault
- BMS_f013 — HW Liquid Detected BMS_f013_HW_Liquid_Detected
- BMS_f014 — HW Heater Drive BMS_f014_HW_Heater_Drive
- BMS_f015 — HW Sleep Attempt BMS_f015_HW_Sleep_Attempt The complex programmable logic device (CPLD) detects a condition where it cannot go to sleep but is told to do so. The CPLD cannot go to sleep when pack contactors are closed, the high voltage interlock loop (HVIL) is on, or there is a no-…
- BMS_f016 — SW Thermal Gradient BMS_f016_SW_Thermal_Gradient The battery management system (BMS) detects a temperature imbalance between high voltage (HV) battery modules.
- BMS_f017 — SW Brick OV BMS_f017_SW_Brick_OV The battery management system (BMS) has detected that a brick is reporting a voltage above the maximum acceptable cell voltage.
- BMS_f018 — SW Brick UV BMS_f018_SW_Brick_UV The battery management system (BMS) has detected that a brick is reporting a voltage below the minimum acceptable cell voltage.
- BMS_f019 — SW BMB Module OT BMS_f019_SW_BMB_Module_OT A battery management board (BMB) has detected an over temperature condition in a battery module.
- BMS_f020 — SW BMB PCB OT BMS_f020_SW_BMB_PCB_OT Inactive alert.
- BMS_f021 — SW Dr Limits Regulation BMS_f021_SW_Dr_Limits_Regulation The battery management system (BMS) limits power because the pack current, pack voltage, or brick voltage, is outside of the expected bounds.
- BMS_f022 — SW Over Current BMS_f022_SW_Over_Current The battery management system (BMS) has detected a software overcurrent event.
- BMS_f023 — SW Contactors Open HWOC BMS_f023_SW_Contactors_Open_HWOC This alert is used as a counter to record the number of hardware overcurrents (HWOC) detected by the battery management system (BMS).
- BMS_f024 — SW Ctrs Open Under Load BMS_f024_SW_Ctrs_Open_Under_Load The battery management system (BMS) has detected that pack contactors opened while under load.
- BMS_f025 — SW FC Ctrs Open Undr Ld BMS_f025_SW_FC_Ctrs_Open_Undr_Ld The battery management system (BMS) has detected that the fast charge contactors opened under load.
- BMS_f026 — SW Ctrs Disabled BMS_f026_SW_Ctrs_Disabled The battery management system (BMS) detects that pack contactors have been disabled.
- BMS_f027 — SW Drive Iso Repeated BMS_f027_SW_Drive_Iso_Repeated The battery management system (BMS) detects that there was a repeated loss of isolation during drive.
- BMS_f028 — SW Drive Iso Std Dev BMS_f028_SW_Drive_Iso_StdDev The battery management system (BMS) detects that the standard deviation of isolation resistance while in drive is high.
- BMS_f029 — SW Current Sensor Reset BMS_f029_SW_Current_Sensor_Reset The battery management system (BMS) senses that the current sensor is undergoing a hard reset.
- BMS_f030 — SW Chg Port Door Open BMS_f030_SW_Chg_Port_Door_Open The battery management system (BMS) has detected that the charge port door is open and the fast charge (FC) contactors are welded.
- BMS_f031 — SW Precharge Res Hot BMS_f031_SW_Precharge_Res_Hot The battery management system (BMS) has detected that the HV battery precharge resistor is above the maximum operating temperature.
- BMS_f032 — SW Bus V Not Reducing BMS_f032_SW_BusVNotReducing The battery management system (BMS) detects that bus voltage is not reducing quickly enough.
- BMS_f033 — SW Crash BMS_f033_SW_Crash The battery management system (BMS) detects that there was loss of power to pack contactors while they are closed. The BMS assumes that the pyro fuse on the contactor power supply signal blew during a crash.
- BMS_f034 — SW Isolation Sensor BMS_f034_SW_Isolation_Sensor The battery management system (BMS) detects that there is an isolation sensor error.
- BMS_f035 — SW Isolation BMS_f035_SW_Isolation There is an external or internal isolation alert while pack contactors are closed.