WikiLine A320 neo Line 34

GNSS Jam

In Sevice Information 34.36.00068
Precondition:
Aircraft not in the Hangar
A/C Clock check correct Time and Date (GMT)


open CB
49VU-G12 MMR 1
121VU-L07 MMR 2


install MMR #2 on MMR #1 Position


close CB
49VU-G12 MMR 1


Reset Procedure
on front PNL of MMR #1
press Test Button min 15sec - max 25sec
release Test Button green Status LED comes on

LED goes off after a few seconds

wait min 1 Minute
MMR restarts red LED comes on and go off each second
Wait until LED goes off


Open CB
49VU-G12 MMR 1


Reinstall MMR to there original Positon


Close CB
49VU-G12 MMR 1
121VU-L07 MMR 2


Now repeat Reset procedure on MMR 1