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7. Summary of fault types in BOS-G'S screen and HVESS-Monitor
Screen protection event
Abbreviation
description
BMS southward connector
overtemperature
BMS northward connector
overtemperature
Pre-charge resistor
overtemperature level-2
alarm
Heating film
OT
overtemperature level-2
alarm
Charge overtemperature
level-2 alarm
Discharge overtemperature
level-2 alarm
/
Charge under temperature
level-2 alarm
UT
Discharge under
temperature level-2 alarm
Charge overcurrent level-2
alarm
OC
Discharge overcurrent
level-2 alarm
Excessive differential
DV
voltage level-2 alarm
Excessive differential
DT
temperature level-2 alarm
Total charge voltage too
high
OV
Cell overvoltage level 2
alarm
Charge voltage too low
Total discharge voltage too
UV
low
Cell undervoltage level-2
HVESS-Monitor protection
event description
BMU connector
overtemperature protection
BMS connector
overtemperature protection
Pre-charge resistor
overtemperature protection
Heating film
overtemperature protection
Charge overtemperature
protection
Discharge overtemperature
protection
Power loop overtemperature
protection
Charge under temperature
protection
Discharge under
temperature protection
Charge overcurrent
protection
Discharge overcurrent
protection
Excessive differential voltage
protection
Excessive differential
temperature protection
Total voltage too high
protection
Cell overvoltage protection
Charging voltage too low
Total voltage too low
protection
Cell undervoltage protection Cell undervoltage alarm
92
HVESS-Monitor alarm
event description
BMU connector
overtemperature alarm
BMS connector
overtemperature alarm
Pre-charge resistor
overtemperature alarm
Heating film
overtemperature alarm
Charging overtemperature
alarm
Discharge over
temperature alarm
Power loop
overtemperature alarm
Charge under temperature
alarm
Discharge under
temperature alarm
Charge overcurrent alarm
Discharge overcurrent
alarm
Excessive differential
voltage alarm
Excessive differential
temperature alarm
Total voltage too high
alarm
Cell overvoltage alarm
/
Total voltage too low alarm
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