Tecnam P2002 JF - ATA 34-30 GTX 328;330 Troubleshooting

Page 102 2
nd
Edition – Rev 0
34-20
POSITION DETERMINING – TROUBLESHOOTING
Following table provides information to assist troubleshooting if problems occur on GTX 328/330
transponders unit when installed on P2002-JF.
The applicable CMM contains other troubleshooting and testing procedures.
ATA 34-30 GTX 328/330 Troubleshooting
Trouble
Likely cause
Action required
The unit does not power on.
The unit is not getting power.
Check power connections,
breakers and avionics switch
Faulty electrical wiring
Check wiring
Main board fuse failure
Unit repair required (fuse
replacement)
No transponder reply
Low output power
Check antenna connections:
replace antenna if needed
Antenna disconnected
Panel lighting failure
Board/display failure
Unit repair required
Missing pixels
Board/display failure
Unit repair required