APS_w188 — Other Turbo Uart MIA

Full alert identifier: APS_w188_otherTurboUartMIA

Alert description

An Autopilot Processor Secondary (APS) device has not received one or more universal asynchronous receiver-transmitter (UART) messages from system-on-chip (SoC) A or B.

Potential impact

AP features will be unavailable.

Set condition

APS (SMS / SMS UART) does not receive one more more UART messages from SoC A or B.

Clear condition

APS (SMS / SMS UART) starts receiving all UART messages from SoC A or B.

Signals to check

These diagnostic fields are associated with APS_w188. Check the alert's Payload in Service Mode Plus for available values.

Signal	Unit
Arb Uart Mia State `APS_sw188_arbUartMiaState`	—
Crit Reas Uart Mia State `APS_sw188_critReasUartMiaState`	—
Faults Uart Mia State `APS_sw188_faultsUartMiaState`	—
Other Turbo `APS_sw188_otherTurbo` 0 A 1 B 2 UNKNOWN	—
Power Uart Mia State `APS_sw188_powerUartMiaState`	—
Reset Uart Mia State `APS_sw188_resetUartMiaState`	—
Sleep Uart Mia State `APS_sw188_sleepUartMiaState`	—
Stat Mon Uart Mia State `APS_sw188_statMonUartMiaState`	—

Show 1 more field

Signal	Unit
Wdog State Uart Mia State `APS_sw188_wdogStateUartMiaState`	—

Check other alerts

With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APS_w188.