W DOC AIRBUS | TSM A320F

Disagree between HPSOV position and Master Lever position on Engine 2


TASK 76-12-00-810-829-A
Disagree between HPSOV position and Master Lever position on Engine 2


1. Possible Causes
  • EIU-2 [1KS2]
  • CTL SW-ENG/MASTER 2 [2KC]
  • HMU
  • aircraft wiring
  • ECU [4000KS]
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
ESPM 2045210
AMM 31-10-00-700-001
Test Program after Removal/Installation of a VU panel
AMM 73-21-10-000-001
Removal of the Hydromechanical Unit (HMU)
AMM 73-21-10-000-002
Removal of the Hydromechanical Unit (HMU)
AMM 73-21-10-400-001
Installation of the Hydromechanical Unit (HMU)
AMM 73-21-10-400-002
Installation of the Hydromechanical Unit (HMU)
AMM 73-21-60-000-001
Removal of the Electronic Control Unit (ECU)
AMM 73-21-60-400-001
Installation of the Electronic Control Unit (ECU)
AMM 73-25-34-000-040
Removal of the Engine Interface Unit (EIU)
AMM 73-25-34-400-040
Installation of the Engine Interface Unit (EIU)
AMM 73-29-00-710-040
Operational Test of the FADEC on the ground (with Engine Motoring)
ASM 761201
AWM 761201
3. Fault Confirmation
Subtask 76-12-00-710-104-A ** ON A/C NOT FOR ALL
A. Do the operational test of the FADEC on the ground (with engine non motoring) AMM 73-29-00-710-040.
Subtask 76-12-00-710-104-B ** ON A/C NOT FOR ALL
A. Do the operational test of the FADEC on the ground (with engine non motoring) AMM 73-29-00-710-040.
4. Fault Isolation
Subtask 76-12-00-810-077-A ** ON A/C NOT FOR ALL
A. If the test gives the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU:
   (1) If the fault continues:
   (2) If the fault continues:
   (3) If the fault continues:
  • do a check of the aircraft wiring between the pin AA/4E and AA/5A of EIU (1KS2) and the pin 2A and 3A of the ENG/MASTER control switch (2KC).
     (a) If there is no continuity:
   (4) If the fault continues:
Subtask 76-12-00-810-077-B ** ON A/C NOT FOR ALL
A. If the test gives the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU:
   (1) If the fault continues:
   (2) If the fault continues:
   (3) If the fault continues:
  • do a check of the aircraft wiring between the pin AA/4E and AA/5A of EIU (1KS2) and the pin 2A and 3A of the ENG/MASTER control switch (2KC).
     (a) If there is no continuity:
   (4) If the fault continues:
Subtask 76-12-00-710-105-A ** ON A/C NOT FOR ALL
B. Do the test given in Para. 3.
Subtask 76-12-00-710-119-A ** ON A/C NOT FOR ALL
C. If the test does not give the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU
   (1) Do the operational test of the FADEC on the ground (with engine motoring) AMM 73-29-00-710-040
     (a) If the test gives the CFDS message ENG MSTR, HMU or MASTER LEVER, HMU: go to step 4.A.
     (b) If the test gives no warning and no message , no further action is required.
[Rev.8 from Aug 2018] 2026.04.04 04:37:28 UTC