Wing Anti-Ice High Pressure in Left (Right) System

TASK 30-11-00-810-804-A
Wing Anti-Ice High Pressure in Left (Right) System

WARNING: DO NOT TOUCH THE ANTI-ICE DUCTS UNTIL THEY ARE COOL. THE TEMPERATURE OF THE DUCTS STAYS HIGH FOR SOME TIME AFTER THE ENGINE STOPS.

1. Possible Causes

VALVE-WING ANTI ICE CONTROL, L [9DL]
VALVE-WING ANTI ICE CONTROL, R [10DL]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
TSM TASK 30-11-00-810-806-A	Wing Anti-Ice Control-Valves Do Not Operate
AMM 30-11-00-710-001	Operational Test of the Wing Ice-Protection System
AMM 30-11-51-000-001	Removal of the Wing Anti-Ice Control Valve
AMM 30-11-51-400-001	Installation of the Wing Anti-Ice Control Valve

3. Fault Confirmation
Subtask 30-11-00-710-053-A

A. Test
(1) Do the operational test of the wing anti-ice system AMM 30-11-00-710-001.

4. Fault Isolation
Subtask 30-11-00-810-053-A

A. Procedure
(1) If the ECAM shows the messages:

WING A.ICE L(R) HI PR on the EWD
WAI REGUL on the STATUS page.

(a) Replace the VALVE-WING ANTI ICE CONTROL, L [9DL] or VALVE-WING ANTI ICE CONTROL, R [10DL] , AMM 30-11-51-000-001 and AMM 30-11-51-400-001.
(b) Do the test given in the Para. Fault Confirmation.
(2) If the fault continues:
(a) Do the TSM procedure (Ref. TSM TASK 30-11-00-810-806).

[Rev.8 from Aug 2018] 2026.04.04 04:29:30 UTC