Overheat Indication of the Blue Electric Pump

TASK 29-12-00-810-806-A
Overheat Indication of the Blue Electric Pump

1. Possible Causes

2. Job Set-up Information
A. Referenced Information

REFERENCE	DESIGNATION
AMM 29-10-00-210-002	Check of the Clogging Indicators of the Hydraulic System Filters (Other than the two Case Drain Filters of the Engine-Driven Pumps)
AMM 29-12-00-710-001	Functional Check of Blue Electrical Pump Pressure by Reading ECAM Indication
AMM 29-12-51-000-001	Removal of the Electric Pump
AMM 29-12-51-400-001	Installation of the Electric Pump
AMM 29-24-51-000-001	Removal of the Electric Pump
AMM 29-24-51-400-001	Installation of the Electric Pump

3. Fault Confirmation
Subtask 29-12-00-710-057-A

A. Do the operational test of the electric pump of the Blue hydraulic system AMM 29-12-00-710-001.

4. Fault Isolation
Subtask 29-12-00-810-056-A

A. HYD B ELEC PUMP OVHT Message
(1) If the test gives the message HYD B ELEC PUMP OVHT on the upper ECAM DU:

(2) If the upper ECAM DU show the message HYD B ELEC PUMP OVHT:

Do a check of the wiring between the PACKAGE E-PUMP [2075GJ] connector A/F and the SDAC.

(3) If the upper ECAM DU does not show the message HYD B ELEC PUMP OVTH:

(4) If the fault continues:

Replace the PACKAGE E-PUMP [2075GJ] AMM 29-12-51-000-001 and AMM 29-12-51-400-001.
Replace the ELEC PUMP-B (2075GJ) with the ELEC PUMP-Y (3075GX) which is interchangeable, if a new pump is not available AMM 29-24-51-000-001 and AMM 29-24-51-400-001.

Subtask 29-12-00-710-058-A

B. Do the test as given in Para. 3. A. to make sure that the operation is correct.

[Rev.8 from Aug 2018] 2026.04.04 04:29:22 UTC