3. Fault Confirmation
__________________
A. Test Do the Interface test of the IR (system 1) (Ref. AMM TASK 34-14-00-740-001).
4. Fault Isolation
_______________
R **ON A/C 001-049, 101-105, 151-199, 201-203,
A. If the test gives the maintenance message ADIRS CONTROL PANEL (2FP/221VU) ADIRU1 (1FP1):
- remove the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001)
- do a check for a ground signal at pins AB/1F, 2F of the rack connector (Ref. ASM 34-11/01).
(1) If there is no ground signal:
- install a new ADIRU1 (Ref. AMM TASK 34-12-34-400-001).
(2) If there is a ground signal:
- do a check and repair the wiring between the ADIRU1 and the ADIRS CDU (2FP): pins AB/1D, 2D, 1F, 2F to pins A/3, 4, 12, 13.
- install the ADIRU1.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞34-14-00∞∞∞∞∞∞∞∞∞∞Page A264
May 01/05 CESR **ON A/C 051-099, 106-149, 204-299, 301-399, 401-499,
A. If the test gives the maintenance message ADIRS CTLPNL (2FP/221VU)/ ADIRU1 (1FP1):
- remove the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001)
- do a check for a ground signal at pins AB/1F, 2F of the rack connector (Ref. ASM 34-11/01).
(1) If there is no ground signal:
- install a new ADIRU1 (Ref. AMM TASK 34-12-34-400-001).
(2) If there is a ground signal:
- do a check and repair the wiring between the ADIRU1 and the ADIRS CDU (2FP): pins AB/1D, 2D, 1F, 2F to pins A/3, 4, 12, 13.
- install the ADIRU1.
**ON A/C ALL
B. Do the test given in Para. 3.
Selection of the Mode for the IR2 not Possible
1. Possible Causes
_______________
- ADIRU-2 (1FP2)
- wiring between the ADIRU2 and the ADIRS CDU (2FP)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 34-12-34-000-001 Removal of the ADIRU (1FP1, 1FP2, 1FP3)
AMM 34-12-34-400-001 Installation of the ADIRU (1FP1, 1FP2, 1FP3)
AMM 34-14-00-740-001 Interface Test of the IR
ASM 34-11/01
3. Fault Confirmation
__________________
A. Test Do the Interface test of the IR (system 2) (Ref. AMM TASK 34-14-00-740-001).
4. Fault Isolation
_______________
R **ON A/C 001-049, 101-105, 151-199, 201-203,
A. If the test gives the maintenance message ADIRS CONTROL PANEL (2FP/221VU) ADIRU2 (1FP2):
- remove the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001)
- do a check for a ground signal at pins AB/1F, 2F of the rack connector (Ref. ASM 34-11/01).
(1) If there is no ground signal:
- install a new ADIRU2 (Ref. AMM TASK 34-12-34-400-001).
(2) If there is a ground signal:
- do a check and repair the wiring between the ADIRU2 and the ADIRS CDU (2FP): pins AB/1D, 2D, 1F, 2F to pins B/3, 4, 12, 13.
- install the ADIRU2.
R **ON A/C 051-099, 106-149, 204-299, 301-399, 401-499,
A. If the test gives the maintenance message ADIRS CTLPNL (2FP/221VU)/ ADIRU2 (1FP2):
- remove the ADIRU-2 (1FP2) (Ref. AMM TASK 34-12-34-000-001)
- do a check for a ground signal at pins AB/1F, 2F of the rack connector (Ref. ASM 34-11/01).
(1) If there is no ground signal:
- install a new ADIRU2 (Ref. AMM TASK 34-12-34-400-001).
(2) If there is a ground signal:
- do a check and repair the wiring between the ADIRU2 and the ADIRS CDU (2FP): pins AB/1D, 2D, 1F, 2F to pins B/3, 4, 12, 13.
- install the ADIRU2.
**ON A/C ALL
B. Do the test given in Para. 3.
Selection of the Mode for the IR3 not Possible
1. Possible Causes
_______________
- ADIRU-3 (1FP3)
- wiring between the ADIRU3 and the ADIRS CDU (2FP)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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