Game Composites GB1 GameBird, Maintenance Manual

Page: 190 / 269

Maintenance Manual GB1 GameBird
Page date: April 24, 2020
40-5
General Troubleshooting
1. Check for loose wire terminals on the circuit breaker connections on the power wire(s) causing
intermittent power connections.
2. Check for intermittent circuit breakers.
3. Have ground power connected to the aircraft.
4. Check system software level on the start-up page.
5. After the system is initialized, note any Red- X’s on the displays, ALERT messages and Red - X’s on the MFDs.
If the failure cannot be verified, proceed to the following physical inspection:
1.
Switch off the Battery Master and remove the front instrument panel to gain access to the AHRS. Inspect
the physical installation.
2. Check that the connectors are fully seated, and that the jack screw connectors are fully tightened on both
sides of the connector.
3. Check for a loose wire harness that is able to move around during flight. This condition may cause the wire
to pull on or vibrate the connector, making intermittent connections.
4. Ensure that the affected device is mounted securely. Use a screwdriver to check the tightness of the four
mounting screws.
5. Look in the vicinity of the affected device for any heavy objects that may not be fastened tight to the
structure and induce vibration in the AHRS.
6. Look for evidence of water or fluid contamination in the area around the affected device.
7. Unplug the affected device’s connector and check for bent pins.
8. Inspect the wire harness clamp on the rear of the connector to verify that it is not too tight and
smashing/shorting the wires. If the wire clamp is installed upside down, it has sharp edges that can cut
into the wires. Check condition of protective wire wrap between wires and the clamp.
If the condition is not resolved by following the instructions above, contact Game Composites for support or
refer to the manufacturer’s document:
Garmin G3X Touch Installation Manual, 190-01115-01_AE, available at www.gamecomposites.com