EFD1000 E5 Dual Electronic Flight Instrument (EFI) Install Manual
DOCUMENT # 900-00041-001
PAGE 180-226
REVISION D
© Copyright 2019 Aspen Avionics Inc.
System Troubleshooting
Initialization Page
Test
Fault
Corrective Action
IOP
a) Fail
a) Replace EFD
b) System reboots after IOP test
b) Replace EFD
ARINC
a) Fail
a) Replace EFD
RS-232
a) Fail
a) Replace EFD
Config Module
a) Fail
a) Check Config Module wiring. Replace
Config Module.
b) Wrong CM version
b) Install correct SW version CM.
c) Displays “Initializing” for more than
20 seconds
c) Config Module unplugged or mis-wired.
RSM
a) Fail (x)
a) Check RSM to EFD wiring for shorts or
opens. Repair or replace RSM. Repair or
replace EFD.
IMU
a) Fail
a) Replace EFD
ADC
a) Fail
a) Replace EFD
ADAHRS
a) Fail
a) Replace EFD
b) “Initializing” for more than 3 minutes b) Remove Pitot and Static line from back of
EFD and reboot. If problem still exists
then replace the EFD. If problem clears
then repair Pitot or Static
obstruction/kink.
c) “Initializing” for more than 3 minutes
with a RSM Fail above.
c) Repair RSM wiring or replace RSM.
NOTE
It is possible to advance the system beyond a failed Initialization Screen by holding the
MENU key and line select keys #1 and #2 simultaneously for 3-4 seconds. The
Diagnostic screen may then be accessed in the installation menu for further
troubleshooting.
