______________________________________________________ FAULT ISOLATION PROCEDURES
__________________________
TASK 22-61-00-810-801
Loss of the Reception of the RTL ENGD Discrete Feedback by the FAC 1
1. Possible Causes
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- FAC-1 (1CC1)
- wiring of the RTL ENGD COM and RTL ENGD MON discretes from the FAC 1 (1CC1) to the first terminal block
- wiring of the RTL OWN ENGD COM and RTL OWN ENGD MON discretes from the FAC 1 (1CC1) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-60-00-710-002 Operational Test of the Automatic Change-Over
Function
AMM 22-66-34-000-002 Removal of the FAC (1CC1,1CC2)
AMM 22-66-34-400-002 Installation of the FAC (1CC1,1CC2)
AMM 22-96-00-710-001 Operational Test of the AFS
ASM 22-68/02
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the AFS (Ref. AMM TASK 22-96-00-710-001) and read the result for the FAC 1.
(2) Do the operational test of the automatic change-over function (Ref. AMM TASK 22-60-00-710-002).
4. Fault Isolation
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A. If the operational test of the AFS gives the maintenance message AFS: FAC 1/RTL ENGD FDBK:
(1) If the operational test of the automatic change-over function gives the maintenance message AFS: FAC 2/RTL ENGD CHG-OV:
- replace the FAC-1 (1CC1), (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
「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 ∞∞22-61-00∞∞∞∞∞∞∞∞∞∞Page 201
Feb 01/98 CES (a) If the fault continues:
- do a check and repair the wiring of the RTL ENGD COM and RTL ENGD MON discretes from the FAC 1 (1CC1) to the first terminal block (Ref. ASM 22-68/02).
(2) If there is no message after the operational test of the automatic change-over function:
- replace the FAC 1 (1CC1) (Ref. AMM TASK 22-66-34-000-002) and (Ref. AMM TASK 22-66-34-400-002).
(a) If the fault continues:
- do a check and repair the wiring of the RTL OWN ENGD COM and RTL OWN ENGD MON discretes from the FAC 1 (1CC1) to the first terminal block (Ref. ASM 22-68/02).
B. Do the operational test given in Para. 3.A.(1).
Loss of the Reception of the RTL ENGD Discrete Feedback by the FAC 2
1. Possible Causes
_______________
- FAC-2 (1CC2)
- wiring of the RTL ENGD COM and RTL ENGD MON discretes from the FAC 2 (1CC2) to the first terminal block
- wiring of the RTL OWN ENGD COM and RTL OWN ENGD MON discretes from the FAC 2 (1CC2) to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-60-00-710-002 Operational Test of the Automatic Change-Over
Function
AMM 22-66-34-000-002 Removal of the FAC (1CC1,1CC2)
AMM 22-66-34-400-002 Installation of the FAC (1CC1,1CC2)
AMM 22-96-00-710-001 Operational Test of the AFS
ASM 22-68/02
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the AFS (Ref. AMM TASK 22-96-00-710-001) and read the result for the FAC 2.
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