(d) If the fault continues:
- install a new ATSU (Ref. AMM TASK 46-21-34-400-001).
B. Do the test given in Para. 3.A.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 240
401-499, Aug 01/05 CES
Datalink Communication Inoperative
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
46-21-00-810-844 Loss of the Datalink Communication
AMM 23-12-00-740-001 BITE Test of the VHF System
AMM 46-21-00-740-001 BITE Test of the ATIMS
AMM 46-21-00-860-001 Initialization Procedure of the ATSU Router
3. Fault Confirmation
__________________
A. No message or no warning is shown but the datalink applications are inoperative.
4. Fault Isolation
_______________
A. Make sure that the ACARS STBY or DATALINK STBY right memo is shown on the upper ECAM DU.
(1) If it is shown, do this following trouble shooting procedure (Ref. TASK 46-21-00-810-844).
(2) If it is not shown, get access to the COMM INIT page on the MCDU as shown in the initialization procedure of the ATSU router (Ref. AMM TASK 46-21-00-860-001). On this page, make sure that the mandatory parameters are correct:
- the airline identification codes (codes with two and three digits)
- the aircraft registration number
- the VHF3 scan mask.
(a) If they are not correct:
- enter the correct parameters as shown in the initialization procedure of the ATSU router.
(b) If they are correct:
- do the BITE test of the VDR3 (Ref. AMM TASK 23-12-00-740-001) and of the ATSU (Ref. AMM TASK 46-21-00-740-001).
1 If the two tests are OK, the cause of the fault is external to
_ the aircraft (saturated network, VHF reception unsatisfactory, etc.) and no other maintenance action is necessary.
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 241
401-499, Aug 01/05 CES
2 If the two tests are not OK, do the trouble shooting procedure
_ related to the maintenance message(s).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 242
401-499, Aug 01/05 CES
Loss of the Datalink Communication
1. Possible Causes
_______________
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
46-21-00-810-815 Loss of the VDR3 Data Detected by the ATSU AMM 23-12-00-740-001 BITE Test of the VHF System AMM 46-21-00-740-001 BITE Test of the ATIMS AMM 46-21-00-860-001 Initialization Procedure of the ATSU Router
3. Fault Confirmation
__________________
A. Test Make sure that the ACARS STBY or DATALINK STBY right memo is shown on the upper ECAM DU.
4. Fault Isolation
_______________
A. On the MCDU, get access to the COMM INIT page as shown in the initialization procedure of the ATSU router (Ref. AMM TASK 46-21-00-860-001). On this page, make sure that the mandatory parameters are correct:
- the airline identification codes (codes with two and three digits)
- the A/C registration number
- the VHF3 scan mask.
(1) If they are not correct:
- enter the correct parameters as shown in the initialization procedure of the ATSU router.
(2) If they are correct:
- get the COMM STATUS page
- on this page, make sure that the VDR3 is "operational" (VHF3 OP indication).
(a) If the indication is VHF3 INOP:
- do this trouble shooting procedure (Ref. TASK 46-21-00-810-815).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 106-149, 151-199, 201-299, 301-399, ∞∞46-21-00∞∞∞∞∞∞∞∞∞∞Page 243
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