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BMS_a109 — HW BMB Mute Status Mismatch

Full alert identifier: BMS_a109_HW_BMB_Mute_Status_Mismatch

Alert description

A battery monitoring board (BMB) device has a mute status that does not align with the mute or unmute command sent by the Battery Management System (BMS).

Potential impact

Bleeding bricks that do not mute during balancing can impact the state of charge (SOC) estimation.

Set condition

Mute is disabled for any device while balancing, or otherwise enabled for any device.

Clear condition

Mute is enabled for all devices while balancing, or otherwise disabled for all devices.

Signals to check

These diagnostic fields are associated with BMS_a109. Check the alert's Payload in Service Mode Plus for available values.

Signal Unit
Mute Mask BMS_a109_muteMask —
Pack In Bleed BMS_a109_packInBleed —

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of BMS_a109.

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