W DOC AIRBUS | TSM A320F

Loss of the DME2 Data


TASK 34-51-00-810-830-A
Loss of the DME2 Data


1. Possible Causes
  • INTRG-DME, 2 [2SD2]
  • wiring between the DME interrogator 2 and the first terminal block
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
AMM 34-51-00-740-002
BITE Test of the DME
ASM 345101
AMM 34-51-33-000-001
Removal of the DME Interrogator
AMM 34-51-33-400-001
Installation of the DME Interrogator
3. Fault Confirmation
Subtask 34-51-00-740-086-A
A. Test
Do the BITE test of the DME (system 2) AMM 34-51-00-740-002.
4. Fault Isolation
Subtask 34-51-00-810-082-A
A. If the test gives the maintenance message DMC2/1 (1WT2/1)/DDRMI(1FN)/DME2(2SD2):
   (1) If the fault stops:
  • replace the DME interrogator that you installed on side 1.
   (2) If the fault continues:
  • remove the DME interrogator 2
  • do a check and repair the wiring between the DME interrogator 2 and the first terminal block : for pins AB/3G, 3H of the DME interrogator 2 ASM 345101
  • install the DME interrogator 2.
Subtask 34-51-00-740-087-A
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:33:21 UTC