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HVREX_a077 — Brick Under Voltage Ocv

Full alert identifier: HVREX_a077_BrickUnderVoltageOcv

Alert description

A battery pack brick voltage is below the open circuit voltage (OCV) undervoltage limit at rest.

Potential impact

Drive may be blocked.

Set condition

A battery pack brick voltage is below the under voltage OCV limit for X duration (in seconds) while contactors are open.

Clear condition

All rested battery pack brick voltages are above the under voltage OCV limit.

Signals to check

These diagnostic fields are associated with HVREX_a077. Check the alert's Alert Log in Service Mode Plus for available values.

Signal Unit
Brick Id HVREX_a077_brickId —
Brick Voltage Max HVREX_a077_brickVoltageMax V
Brick Voltage Min HVREX_a077_brickVoltageMin V
Pack Current HVREX_a077_packCurrent A
Soc Min HVREX_a077_socMin %

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of HVREX_a077.

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