Garmin G1000 NAV III Line Maintenance Manual page 57

Symptom
A button/knob/joystick does not
appear to function
Terrain/topo does not display
Display will not track photocell
Keyboard will not track photocell
Display will not track dimmer bus
Keyboard will not track dimmer
bus
Display delaminating
2.2.3 Database and Software Alerts
Message
MFD1 DB ERR – MFD1 aviation
database error exists.
PFD1 DB ERR – PFD1 aviation
database error exists.
MFD1 DB ERR – MFD1
basemap database error exists.
PFD1 DB ERR – PFD1
basemap database error exists.
MFD1 DB ERR – MFD1 terrain
database error exists.
G1000 Nav III Line Maintenance Manual
190-00352-00
Recommended Action
•
Go to the GDU TEST page in configuration mode and verify button,
knob, or joystick operates correctly by observing a change in color from
red to green in the button/knob/joystick icon when the
button/knob/joystick is pressed. If a button is stuck, the button icon will
be green without pressing the button as soon as you turn to the GDU
TEST page.
If problem is verified, replace GDU.
o
•
Ensure supplemental data cards are inserted correctly in the lower slots
of both GDU's.
•
Allow the system to verify the data on the cards for approximately five
minutes after power-up.
If the databases do not activate, reload the Terrain and Obstacle
o
databases onto the SD Card or replace the card.
•
Go to the GDU TEST page in configuration mode. Cover and uncover
the photocell and verify the PHOTOCELL A or PHOTOCELL B value
changes.
If problem persists, replace the display.
o
•
Check display lighting settings on the Main Lighting page (system
group page 3)
•
Check presence or integrity of pin 59 (J10001)
•
Check dimmer bus to verify voltage (refer to the airframe specific
maintenance manual for troubleshooting).
•
Switch MFD and PFD:
If problem follows unit, replace the display.
o
•
Replace GDU, reference Garmin Service Bulletin 0527.
Cause
The MFD has encountered
an error in the Jeppesen
database.
The PFD has encountered
an error in the Jeppesen
database.
The MFD has encountered
an error in the basemap
database.
The PFD has encountered
an error in the basemap
database.
The MFD has encountered
an error in the terrain
database.
Solutions
•
Reload Jeppesen database
•
Replace MFD1
•
Reload Jeppesen database
•
Replace the PFD
•
Contact Garmin Technical Support for
assistance.
•
Confirm datacard is inserted properly.
•
Reload Terrain database
If unable, replace supplemental
o
datacard.
If problem persists, replace the
o
MFD.
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Rev. L