Symbol of the ENG 1 Pump on the ECAM Lower DU shows the incorrect Position (when the G HYD SYS is Pressurized with the Ground Cart or the PTU)

TASK 29-11-00-810-819-A
Symbol of the ENG 1 Pump on the ECAM Lower DU shows the incorrect Position (when the G HYD SYS is Pressurized with the Ground Cart or the PTU)

1. Possible Causes

MANIFOLD PYLON [1030GM]

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 29-10-00-863-001	Pressurize the Green Hydraulic System with a Hydraulic Ground Power-Cart
AMM 29-11-16-000-801	Removal of the Pylon Manifold
AMM 29-11-16-400-801	Installation of the Pylon Manifold
AMM 29-24-00-863-001	Pressurize the Yellow Hydraulic System with the Electric Pump

3. Fault Confirmation
Subtask 29-11-00-710-069-A ** ON A/C NOT FOR ALL

A. Pressurize the Green hydraulic system
AMM 29-10-00-863-001 or AMM 29-24-00-863-001
(1) If during the test, the ENG 1 pump symbol on the HYD page of the lower ECAM DU shows in-line in green color:
(a) Stop the pressurization of the hydraulic system immediately.
(b) Do the fault isolation procedure given in paragraph 4.

4. Fault Isolation
Subtask 29-11-00-810-075-A ** ON A/C NOT FOR ALL

A. If during the test the ENG 1 pump symbol on the HYD page of the lower ECAM DU shows:

In-line in green color and the system pressure is correct:

(1) Replace the MANIFOLD PYLON [1030GM] AMM 29-11-16-000-801 and AMM 29-11-16-400-801.
(2) Do the test given in paragraph 3.

[Rev.8 from Aug 2018] 2026.04.04 04:29:21 UTC