W DOC AIRBUS | TSM A320F

Loss of the DME1 Display on the RMI


TASK 34-51-00-810-824-A
Loss of the DME1 Display on the RMI


1. Possible Causes
  • RMI-VOR/ADF/DME [21FN]
  • wiring between the VOR/ADF/DME RMI 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 34-57-22-000-002
Removal of the VOR/ADF/DME RMI
AMM 34-57-22-400-002
Installation of the VOR/ADF/DME RMI
3. Fault Confirmation
Subtask 34-51-00-740-094-A ** ON A/C NOT FOR ALL
A. Test
Do the BITE test of the DME (system 1) AMM 34-51-00-740-002.
4. Fault Isolation
Subtask 34-51-00-810-086-B ** ON A/C NOT FOR ALL
A. If the test gives the maintenance message DMC1/2 (1WT1/2)/DDRMI(1FN)/DME1(2SD1):
   (1) If the fault continues:
  • remove the VOR/ADF/DME RMI
  • do a check and repair the wiring between the VOR/ADF/DME RMI and the first terminal block: for pins A/9, 10 of the VOR/ADF/DME RMI ASM 345101
  • install the VOR/ADF/DME RMI.
Subtask 34-51-00-740-095-A ** ON A/C NOT FOR ALL
B. Do the test given in Para. 3.
[Rev.8 from Aug 2018] 2026.04.04 04:33:21 UTC