TASK 34-00-00-810-801
Display of a Warning Message on the Upper ECAM DU
1. Possible Causes
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- message on the Post Flight Report (PFR)
2. Job Set-up Information
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A. Referenced Information
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REFERENCE DESIGNATION
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AMM 05-51-12-200-001 Inspection after Landing Gear Extension at more than the Geardown Limiting Speed AMM 05-51-13-200-001 Inspection after Flap/Slat Extension at more than the Flap/Slat Limiting Speed AMM 05-51-17-200-001 Inspection after in Flight Excessive Load Factor due to Turbulence or Maneuver or in Excess of VMO/MMO
3. Fault Confirmation
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A. Do a check of switch 22FP position.
4. Fault Isolation
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A. Do a check for a message on the Post Flight Report (PFR).
If there is no message on the PFR:
(1) With the warning message on the upper ECAM DU: "VFE........xxx":
- do the inspection after flap/slat extension at more than the flap/slat limiting speed (VFE) (Ref. AMM TASK 05-51-13-200-001).
(2) With the warning message on the upper ECAM DU: "VLE........280/.67":
- do the inspection after landing gear extension at more than the geardown limiting speed (VLE). (Ref. AMM TASK 05-51-12-200-001).
(3) With the warning message on the upper ECAM DU:
"VMO/MMO.......350/.82":
R (a) In the avionics compartment, on the panel 188VU, make sure that
R the L/G DOWN VMO/MMO SELECTION switch 22FP is safetied in the position related to the aircraft last flight conditions:
- in normal flight condition the switch 22FP must be safetied with lockwire in NORM position
- in flight, with landing gear down condition, the switch 22FP must be at L/G DN.
「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 ∞∞34-00-00∞∞∞∞∞∞∞∞∞∞Page 201
May 01/05 CES
R R R R (b) If the switch 22FP is in the correct position: - do the inspection after in-flight excessive load factor due to turbulence or maneuver or in excess of VMO/MMO. (Ref. AMM TASK 05-51-17-200-001). If there is a message, do the trouble shooting procedure related to the maintenance message.
NOTE : Some warning messages are not printed on the PFR.____
R R B. If there is a message, do the trouble shooting procedure related to the maintenance message.
NOTE : Some operational Warnings are not printed on the PFR.____
SENSORS, POWER SUPPLY AND SWITCHING - FAULT ISOLATION PROCEDURES
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TASK 34-11-00-810-801
Loss of the 26VAC Power Supply of the ADIRU 1
1. Possible Causes
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- ADIRU-1 (1FP1)
- wiring
- C/B-ADIRU/AOA 1 26VAC (5FP1)
2. Job Set-up Information
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A. Referenced Information
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REFERENCE DESIGNATION
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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 34-13-00-740-002 INTERFACE TEST of the ADR
ASM 34-11/01
3. Fault Confirmation
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A. Table of the circuit breakers used in this procedure:
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PANEL DESIGNATION IDENT. LOCATION
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R 49VU NAV PROBES/ADIRU 1/AND AOA 1/26VAC 5FP1 F07
B. Test
(1) Do the Interface test of the ADR (system 1) (Ref. AMM TASK 34-13-00-740-002)
(a) If you cannot close the circuit breaker (5FP1), go to Para. 4.A.(2).
4. Fault Isolation
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R **ON A/C 001-049, 101-105, 151-199, 201-203,
A. If the test gives the maintenance message AOA SENSOR1 (3FP1) SUPPLY/ ADIRU1 (1FP1):
(1) If the circuit breaker (5FP1) is closed:
- do a check for 26VAC at pins AC/10, 6 of the ADIRU 1 (1FP1).
(a) If there is 26VAC:
- replace the ADIRU-1 (1FP1) (Ref. AMM TASK 34-12-34-000-001) and (Ref. AMM TASK 34-12-34-400-001). 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320 Trouble Shooting Manual 排故手册 导航 NAVIGATION 1
