A320 Trouble Shooting Manual 排故手册飞行操纵 1(21)_航空信息_民用航空_通用航空

(2) On the EWD, if the F/CTL AIL SERVO FAULT warning stays in view:

- do a check and repair the wiring between the COM part and the MON part of the ELAC 1, from DS O3 (COM) to DSI 34 (MON) and from DS O3 (MON) to DSI 34 (COM), (Ref. ASM 27-92/36).
**ON A/C 301-399,
A. If the test confirms the fault:
- Replace the ELAC-1 (2CE1), (Ref. AMM TASK 27-93-34-000-001) and (Ref. AMM TASK 27-93-34-400-001).
(1) On the panel 23VU, release and push the FLT CTL/ELAC 1 pushbutton switch.

(2) On the EWD, if the F/CTL AIL SERVO FAULT warning stays in view:

- do a check and repair the wiring between the COM part and the MON part of the ELAC 1, from DS O3 (COM) to DSI 34 (MON) and from DS O3 (MON) to DSI 34 (COM), (Ref. ASM 27-92/36).
B. Do the test given in para. 3.

R **ON A/C ALL

TASK 27-10-00-810-826
Failure of the Right Blue Aileron Servo Control Position Transducer
1. Possible Causes
_______________
- SERVO CTL-R AILERON, OUTBD B (33CE4)

- wiring of the POS XDCR SPLY signal from the servo control (33CE4) to the first terminal block

- wiring of the POS XDCR, V11, V12, V21, V22 signal from the servo control (33CE4) to the first terminal block

2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-90-00-810-808 Loss of the ACS2 Signal of the ELAC2 COM Side AMM 27-14-51-000-001 Removal of the Aileron Servo Control AMM 27-14-51-400-001 Installation of the Aileron Servo Control AMM 27-96-00-710-020 Operational Test of the Side Stick Assembly
(Activation for the BITE Test) AMM 27-96-00-740-001 BITE Test of the EFCS (Ground Scanning) ASM 27-93/03
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the side stick assembly (activation for the BITE test) (Ref. AMM TASK 27-96-00-710-020).

(2) Do the BITE test of the EFCS (ground scanning) (Ref. AMM TASK 27-96-00-740-001).

(a) If the ground scanning gives the maintenance message: R B AIL POS XDCR 33CE4

- refer to the Para. Fault Isolation.

(b) If the ground scanning gives the maintenance messages: R B AIL POS XDCR 33CE4 L G AIL POS XDCR 33CE1

- refer to this procedure (Ref. TASK 27-90-00-810-808).

4. Fault Isolation
_______________

A. If the test gives the maintenance message: R B AIL POS XDCR 33CE4
- replace the SERVO CTL-R AILERON, OUTBD B (33CE4), (Ref. AMM TASK 27-14-51-000-001) and (Ref. AMM TASK 27-14-51-400-001).
NOTE : The resistance of primary (pins A/B and A/C) and secondary (pins
____ A/A and A/P, pins A/R and A/D) windings of the transducer must be between 30 ohms and 500 ohms. The insulation must be more than 100 Mohms. These values are given for information only. You can use these values to do checks of the component electrical part or of the wiring before you replace the component. But by this procedure, the check of the component mechanical part is not done. For primary winding (power supply):
- if you do the resistance check from the avionics compartment, you must disconnect the transducer of the Left Green Aileron Servo Control.
(1) If the fault continues:
(a) Do a check of the wiring of the POS XDCR SPLY signal from the servo control (33CE4) to the first terminal block, (Ref. ASM 27-93/03):

- if there is no continuity, repair the wiring

- if there is continuity, see Para. (b).

(b) Do a check and repair the wiring of the POS XDCR, V11, V12, V21, V22 signal from the servo control (33CE4) to the first terminal block, (Ref. ASM 27-93/03).

B. Do the test given in Para. 3.
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CES Loss of the Right Blue Aileron Position Transducer Signal for the ELAC 2

1. Possible Causes
_______________
- ELAC-2 (2CE2)

- wiring of the ANI 2-4, POS SV R AIL signal from the ELAC 2 (2CE2) to the first terminal block