W DOC AIRBUS | MMEL OPS PROC

ELEC AC ESS BUS SHED Alert


24-09-01AELEC AC ESS BUS SHED Alert
Applicable to: -
- General information
When the ELEC AC ESS BUS SHED alert is displayed on the EWD:
  • The AC ESS BUS SHED message may appear on the ELEC SD Page,
  • The CAPT AOA message may be displayed in the INOP SYS column on the STATUS SD Page,
  • The ELEC/AC BUS/8XP/MONG (49VU H11) C/B may trip.
- During cockpit preparation
Check of the AC ESS BUS SHED:
Supply the electrical network from the APU or the external power
Check that the CAPT right DU is operative.
- In flight
If either the ANTI ICE F/O AOA alert or the ANTI ICE F/O PROBES alert is displayed on the EWD, and icing conditions cannot be avoided:
  • ADR 2 pb-swOFF
  • AIR DATA swF/O 3
Note:
If the ADR 2 pb-sw is set to OFF, takeoff in CONF 1+F is not permitted.
If either the ANTI ICE STBY AOA alert or the ANTI ICE STBY PROBES alert is displayed on the EWD, and icing conditions cannot be avoided:
  • ADR 3 pb-swOFF
24-09-01AELEC AC ESS BUS SHED Alert
Applicable to: -
- General information
When the ELEC AC ESS BUS SHED alert is displayed on the EWD:
  • The AC ESS BUS SHED message may appear on the ELEC SD Page,
  • The CAPT AOA message may be displayed in the INOP SYS column on the STATUS SD Page,
  • The ELEC/AC BUS/8XP/MONG (49VU H11) C/B may trip.
- During cockpit preparation
  • COM/HF1 (49VU HA14) C/BPull
Check of the AC ESS BUS SHED:
Supply the electrical network from the APU or the external power.
Check that the CAPT right DU is operative.
- In flight
If either the ANTI ICE F/O AOA alert or the ANTI ICE F/O PROBES alert is displayed on the EWD, and icing conditions cannot be avoided:
  • ADR 2 pb-swOFF
  • AIR DATA swF/O 3
Note:
If the ADR 2 pb-sw is set to OFF, takeoff in CONF 1+F is not permitted.
If either the ANTI ICE STBY AOA alert or the ANTI ICE STBY PROBES alert is displayed on the EWD, and icing conditions cannot be avoided:
  • ADR 3 pb-swOFF