DPB_a259 — Valve Relay Test Undervoltage
Full alert identifier: DPB_a259_valveRelayTestUndervoltage
Alert description
Conditions for valve relay switch on test not correct.
Potential impact
System will be running in fully degraded state. Braking may require increased effort. Hydraulic Boost Compensation will be triggered when driver pressed brake pedal.
Set condition
Voltage conditions (valve supply) for initial valve relay safety test is not correct. Test if the VR can be switched off by safety logic.
Clear condition
PowerOn Wait7s
Check other alerts
With Service Mode Plus enabled, open Service Alerts → All. Review the other alerts for clues to the cause of DPB_a259.