On ground, the wing anti-ice valves will open for 30s. Wing anti-ice will then be
inhibited for 10 min, provided the aircraft is not in flight. If the flight crew does not
switch off the wing anti-ice, the ON light will remain on, even though the wing anti-ice
valves are closed. The wing anti-ice valves will then reopen after takeoff thrust
reduction.
FAULT:
The wing anti-ice valve position disagrees with the requested position
Or, the wing anti-ice valve is open, but a low pressure is detected.
Amber light and ECAM caution message.
The FAULT light goes off, when the affected wing anti-ice system is recovered, after
applying the appropriate procedure.
If the system cannot be recovered, the FAULT light will
remain on for the remainder of the flight.
ENG 1+2+3+4
OFF:
The anti-ice of the applicable engine is off.
ON:
The anti-ice of the applicable engine is on.
The ECAM displays the ENG A-ICE memo.
FAULT:
Amber light and ECAM caution message, if the position of the anti-icing valve disagrees with
the corresponding pushbutton selection.
