DOC AIRBUS | TSM A320FSymbol of the Electric Pump on the ECAM Lower DU shows incorrect Position
TASK 29-12-00-810-807-A
Symbol of the Electric Pump on the ECAM Lower DU shows incorrect Position
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 29-12-00-710-059-A 4. Fault Isolation
Subtask 29-12-00-810-058-A
[Rev.8 from Aug 2018]
2026.04.04 04:29:22 UTC
Symbol of the Electric Pump on the ECAM Lower DU shows incorrect Position
1. Possible Causes
- wiring
- PRESSURE SWITCH-ELECTRIC PUMP 2074GJ
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 29-12-00-710-001 | Functional Check of Blue Electrical Pump Pressure by Reading ECAM Indication |
| ASM 291201 | |
| AMM 29-12-17-000-001 | Removal of the Electric Pump Pressure-Switch |
| AMM 29-12-17-400-001 | Installation of the Electric Pump Pressure-Switch |
Subtask 29-12-00-710-059-A 4. Fault Isolation
Subtask 29-12-00-810-058-A
A. If during the test, the E-pump symbol on the HYD page of the lower ECAM DU shows LO in amber color and the system pressure is correct (more than 1450 psi (99.9740 bar)):
(1) Do a check of the wiring and/or the electrical connector (2074GJ-A) of the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ for the correct condition ASM 291201.
(2) If necessary, repair the wiring and /or the electrical connector (2074GJ-A) of the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ ASM 291201.
(3) If the fault continues, replace the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ AMM 29-12-17-000-001 and AMM 29-12-17-400-001.
Subtask 29-12-00-810-076-A (1) Do a check of the wiring and/or the electrical connector (2074GJ-A) of the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ for the correct condition ASM 291201.
(2) If necessary, repair the wiring and /or the electrical connector (2074GJ-A) of the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ ASM 291201.
(3) If the fault continues, replace the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ AMM 29-12-17-000-001 and AMM 29-12-17-400-001.
B. If, after the test, the link from the E-pump to the RAT on the HYD page of the lower ECAM DU is displayed in green color with the Blue E-pump in off position:
(1) Do a check of the wiring and/or the electrical connector (2074GJ-A) of the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ for the correct condition ASM 291201.
(2) If necessary, repair the wiring and /or the electrical connector (2074GJ-A) of the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ ASM 291201.
(3) If the fault continues, replace the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ AMM 29-12-17-000-001 and AMM 29-12-17-400-001.
Subtask 29-12-00-710-060-A (1) Do a check of the wiring and/or the electrical connector (2074GJ-A) of the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ for the correct condition ASM 291201.
(2) If necessary, repair the wiring and /or the electrical connector (2074GJ-A) of the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ ASM 291201.
(3) If the fault continues, replace the PRESSURE SWITCH-ELECTRIC PUMP 2074GJ AMM 29-12-17-000-001 and AMM 29-12-17-400-001.
C. Do the test given in Para. 3