CESSNA AIRCRAFT COMPANY
MODEL 525B
MAINTENANCE MANUAL
GARMIN G3000 INTEGRATED AVIONICS SYSTEM - TROUBLESHOOTING
1.
General
A.
This section gives the Garmin G3000 Integrated Avionics System standard installation troubleshooting
procedures. For a general description of the G3000 system refer to Garmin G3000 Integrated Avionics
System - Description and Operation. For more a detailed overview of the Crew Alert System (CAS)
data, refer to the Garmin G3000 Integrated Avionics System Line Maintenance Manual, P/N 190-
01579-00, Section 4.0, found in the Supplier Publication List.
B.
The Garmin GTC 570 Touchscreen Control Units pilot GTC 1 (left), and copilot GTC 2, (right) are the
primary controllers of the Garmin G3000 Integrated Avionics System. For a general description of the
GTC 570 refer to Garmin G3000 Integrated Avionics System - Description and Operation.
C.
This section contains line replaceable unit (LRU) troubleshooting methods and procedures to isolate
LRU and other possible system circuit faults. These procedures are intended as a general guide for
G3000 system troubleshooting and system return to service. This section can assist with general
troubleshooting procedures for optional Garmin and other suppliers systems that integrate with the
G3000 system. For more troubleshooting procedures to find the cause of a system fault, refer to the
specific Garmin system LRU section in this manual.
D.
To troubleshoot related Central Maintenance Computer (CMC) event driven fault message do the
steps that follow:
(1)
To show the specific CMC Alert ID on the multifunction display (MFD), get access to the Citation
Diagnostic Maintenance System (CDMS) Fault Detail screen. Refer to Chapter 45, Citation
Diagnostic Maintenance System (CDMS) - Maintenance Practices.
(2)
For troubleshooting data related to the specific CMC Alert ID, refer to Refer to Chapter 45, Event
Driven fault messages - Description and Operation.
2.
G3000 System Troubleshooting
A.
Do the preliminary steps that follow to prepare for the fault isolation procedures.
(1)
On the primary flight display (PFD) look for a Crew Alerting System (CAS) WARNING, CAUTION
or ADVISORY alert.
NOTE:
During the time the G3000 is powering up, certain windows remain invalid as the
equipment begins to initialize. All windows should be operational within one minute
of power-up. If any window continues to be flagged, begin troubleshooting.
(2)
If there is a CAS alert message do the steps that follow:
(a)
For a detailed description of the possible cause of the CAS message initiation refer to
Navigation (Garmin G3000 Airplanes) - Troubleshooting.
(b)
Make sure that the system line replaceable unit (LRU) circuit breaker is engaged.
(c)
If a subscription service is necessary for the system function that has the fault, make sure
that the subscription is current.
1
If the subscription is not current contact subscriber company to get the necessary
service.
(d)
If the fault is not corrected, on GTC 1 or GTC 2, push the MSG button to acknowledge the
message and to show the Messages page.
(e)
Record the active messages (white text).
(3)
On the GTC 1 or GTC 2 Home page, push the buttons in the sequence that follows:
(a)
Setup to show the Setup page.
(b)
Avionics Status to show the Avionics Status page.
(c)
If necessary, touch the LRU Info tab.
(4)
Scroll to the applicable LRU Info tab and monitor the data that follows:
(a)
The LRU status.
•
Active shows check (green)
•
Caution shows X (amber)
•
Failed shows X (red).
(b)
The LRU serial number.
34-65-00
Page 101
© Cessna Aircraft Company
Dec 05/2016
ICA-525B-34-00002A
Form 2261 Rev 1
