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CHAPTER 76
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ENGINE CONTROLS
TABLE OF CONTENTS
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SUBJECT_______ CH/SE/SU _ PAGE EFFECTIVITY
________ C ____ ___________ Shut-off Valve on Engine 1 Failure of the Control of the Fuel 215 ALL Shut-off Valve on Engine 2 Failure of the Control of the Fuel 217 ALL Shut-off Valve on Engine 1 Failure of the Control of the Fuel 219 ALL Shut-off Valve on Engine 2 Disagree between HPSOV position 221 ALL and Master Lever position on Engine 1 Disagree between HPSOV position 223 ALL and Master Lever position on Engine 2
76-CONTENTS Page 2 Aug 01/05 R CES
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ENGINE CONTROLS - FAULT SYMPTOMS
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F T T 『 E E CFDS FAULT MESSAGES E FAULT E E WARNINGS/MALFUNCTIONS 十 T T T 1 ISOLATION E E ESOURCE E MESSAGE E ATA ECE PROCEDURE E 十 十 十 十 十 十 1 E EAC GEN EENG MASTER SW1 (3KC)/ E761200E3E242000 PA255E E E EGCU1 (1XU1) E E ET 810 864 E 十 十 十 十 十 十 1 E EAC GEN EENG MASTER SW2 (2KC)/ E761200E3E242000 PA257E E E EGCU2 (1XU2) E E ET 810 865 E E 1 1 1 1 1 E
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THROTTLE CONTROL - FAULT ISOLATION PROCEDURES
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TASK 76-11-00-810-803
Loss of the TLA Resolver Signal through the two Channels on Engine 1
1. Possible Causes
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- ECU (4000KS) R
- CTL UNIT-THROTTLE, ENG1 (8KS1) R - A/C electrical wiring R - J3 harness R - J4 harness
2. Job Set-up Information
______________________
A. Referenced Information
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REFERENCE DESIGNATION
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R R R AMM AMM AMM AMM AMM AMM AMM AMM 71-51-43-000-046 71-51-43-000-047 71-51-43-400-046 71-51-43-400-047 73-21-50-210-002 73-21-60-000-001 73-21-60-400-001 73-29-00-710-040
AMM AMM 76-11-19-000-042 76-11-19-400-042
ASM 73-25/12
3. Fault Confirmation__________________
Removal of the ECU (Channel A) Harness (4211KS)
Removal of the ECU (Channel B) Harness (4212KS)
Installation of the ECU (Channel A) Harness (4211KS)
Installation of the ECU (Channel B) Harness (4212KS)
Visual Inspection of the Wiring Harnesses
Removal of the Electronic Control Unit (ECU)(4000KS)
Installation of the Electronic Control Unit
(ECU)(4000KS)
Operational Test of the FADEC on the Ground (with
Engine non Motoring)
Removal of the Throttle Control Unit (8KS1, 8KS2)
Installation of the Throttle Control Unit (8KS1,
8KS2)
A. Do the operational test of the FADEC 1A and 1B on the ground (with engine non motoring) (Ref. AMM TASK 73-29-00-710-040).
4. Fault Isolation
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R A. Do this procedure.
R NOTE : The fault is triggered by the ECU if both TLA resolver input
____ R signals on channel A and B are invalid or out of range. Most R probable cause is an electrical wiring failure or an ECU internal R failure.
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R (1) If the test does not give the maintenance messages TLA SNSR, J3, ECU
R and/or TLA SNSR, J4, ECU:
R - replace the ECU (4000KS) (Ref. AMM TASK 73-21-60-000-001) and (Ref.
R AMM TASK 73-21-60-400-001).
R (a) If the fault repeats on subsequent flights:
R - replace the CTL UNIT-THROTTLE, ENG1 (8KS1) (Ref. AMM TASK 76-R 11-19-000-042) and (Ref. AMM TASK 76-11-19-400-042).
R 1_ If the fault repeats on subsequent flights:
R - Do a check of the electrical wiring between the throttle
R control unit (8KS1) and the ECU (4000KS) (Ref. ASM 73-
25/12).
R a_ if damage is found:
R - replace or repair the above harness.
R b_ if nothing is found:
R - continue the troubleshooting as follows.
R 2_ Do a continuity and insulation check of this wiring. 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 發(fā)動機控制(2)
