Skip to content

MCU_w049 — Audio Watchdog A2b I2C Lockup Error

Full alert identifier: MCU_w049_AudioWatchdogA2bI2cLockupError

Alert description

The Media Control Unit (MCU) detects the A2B I2C bus experiences a lockup condition, which may cause audio devices on the A2B I2C bus to be inaccessible and may lead to a complete loss of audio.

Potential impact

The A2B I2C bus experiences a lockup condition.

Set condition

The lockup condition on the A2B I2C bus is resolved.

Clear condition

Audio devices on the A2B I2C bus may be inaccessible, and there may be a complete loss of audio.

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of MCU_w049.

Browse all MCU alert codes