APS_w159 — Apb Critical
Full alert identifier: APS_w159_apbCritical
Alert description
Autopilot Processor Secondary (APS) detects that the Autopilot Processor Backup (APB) is not functioning as expected, making Autopilot (AP) features unavailable.
Potential impact
AP features will be unavailable.
Set condition
APS detects the state of APB is not optimal based on watchdog state or general-purpose input/outputs (GPIOs).
Clear condition
APB is detected to be functioning as expected.
Signals to check
These diagnostic fields are associated with APS_w159. Check the alert's Alert Log in Service Mode Plus for available values.
| Signal | Unit |
|---|---|
Apb Critical Reason
APS_
|
— |
Apb Timesync Status
APS_
|
— |
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of APS_w159.