Garmin G1000 NXi, Дополнительное руководство по обслуживанию, Страница: 83 / 171

G1000 Supplemental Maintenance Manual Page 5-15
Textron Nav III Series Revision 3
190-02128-04
Data Path Failures
Failure Message Cause Solutions
FAILED PATH
– A data path has
failed.
A communications data path
status is not being received by the
G1000.
Determine which data path has failed:
See Section 5.1.1.
Check wiring continuity for the failed
path.
Swap or replace the affected LRU.
5.5 GDU 105X Troubleshooting
GDU 105X Symptoms
Symptom Recommended Action
Display is blank
•
Ensure that a cell phone or a device using cell phone technology is not turned
on (even in a monitoring state) in the cabin.
•
Cycle power.
✓
If GDU recovers, observe display for yellow text containing error
information at the top of the screen. If message indicates software need
to be re-loaded, then re-load software. Otherwise, replace the GDU.
•
Use a bright light to verify LCD is active.
✓
Adjust avionics dimmer control full clockwise.
✓
Manually turn up backlight on the PFD and load configuration files to the
GDU.
•
Ensure slide lock is fully engaged with the locking tabs on the back of the unit.
✓
If slide lock is not fully engaged, remove connector and verify the locking
tabs on the GDU are perpendicular to the connector. If necessary,
straighten them before reseating connector.
•
Ensure GDU is receiving power. If a circuit breaker is tripped, determine
source of short before resetting breaker.
•
Ensure circuit breakers have not failed and power wire connections are secure.
•
Swap PFD and MFD
✓
If problem follows unit, replace the display. Please note the position it
failed in (PFD or MFD).
✓
If problem does not follow unit, troubleshoot aircraft wiring for fault.
Display resets
Display flickers
SD card is stuck in GDU
•
DO NOT insert a screwdriver of any length into the card slot.
•
DO NOT pry against the overlay.
•
DO NOT force the SD Card out.
•
Use a small screwdriver in the groove on the side of the exposed end of the
card to help pull out the card.
•
Push the card in further to release the card locking mechanism.
•
Check SD Card for having more than one label. Two or more labels on the
card will cause sticking.
✓
Remove all but one label.
•
Ensure the SD card is from SanDisk. Use of other SD Cards is not
recommended.
•
If card was inserted with the label facing to the right, do not attempt to remove.
Return the unit to an authorized repair facility.