W DOC AIRBUS | TSM A320F

HP Bleed Valve of the Engine 1 Blocked in the Open Position

TASK 36-11-00-810-835-A
HP Bleed Valve of the Engine 1 Blocked in the Open Position

1. Possible Causes
  • wiring
  • wiring between pin A/3 of the HP bleed valve and the ground terminal
  • VALVE-HP BLEED [4000HA]
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
ASM 361101
AMM 36-11-51-000-040
Removal of the High Pressure Bleed Valve
AMM 36-11-51-000-042
Removal of the High Pressure Bleed Valve
AMM 36-11-51-400-040
Installation of the High Pressure Bleed Valve
AMM 36-11-51-400-042
Installation of the High Pressure Bleed Valve
3. Fault Confirmation
Subtask 36-11-00-710-118-A ** ON A/C NOT FOR ALL
A. Not applicable.
4. Fault Isolation
Subtask 36-11-00-810-085-B ** ON A/C NOT FOR ALL
A. If the fault symptom is identified by the maintenance message:
HP BLEED-V 4000HA1
  • make sure that the indication of the position of the HP bleed valve on the lower ECAM display unit is correct when you manually operate the valve shaft.
   (1) If the indication does not agree with the position of the valve butterfly:
  • do a check and repair the wiring from the HP bleed valve to the BMC1, pin A/1 to pin AA/14A and pin A/5 to pin AA/15A ASM 361101.
     (a) If the fault continues:
  • do a check and repair the wiring between pin A/3 of the HP bleed valve and the ground terminal.
     (b) If the fault continues:
Subtask 36-11-00-810-085-D ** ON A/C NOT FOR ALL
A. If the fault symptom is identified by the maintenance message:
HP BLEED-V 4000HA1
  • make sure that the indication of the position of the HP bleed valve on the lower ECAM display unit is correct when you manually operate the valve shaft.
   (1) If the indication does not agree with the position of the valve butterfly:
  • do a check and repair the wiring from the HP bleed valve to the BMC1, pin A/1 to pin AA/14A and pin A/5 to pin AA/15A ASM 361101.
     (a) If the fault continues:
  • do a check and repair the wiring between pin A/3 of the HP bleed valve and the ground terminal.
     (b) If the fault continues:
Subtask 36-11-00-710-119-A ** ON A/C NOT FOR ALL
B. After the subsequent flight, make sure that the fault does not continue.
[Rev.8 from Aug 2018] 2026.04.04 04:33:43 UTC
"WTRUIB" 2025