System Maintenance Manual

Page 5-26 G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air
Revision F 190-00682-01
5.2.4 ADF/DME Failure
A DME or ADF failure is represented by the following red X’s. Refer to G1000/GFC 700 Wiring
Diagram and King Air Model 90 Series Maintenance Manual (listed in Table 1-2) as needed.
Invalid Field Sensor Solutions
Rockwell Collins
ADF
• Ensure that GIA 63 #2 is properly functioning.
• Reload the ADF option configurations.
• Check for proper operation of the ADF receiver. Ensure
that the receiver is receiving power.
• Check ADF – GIA2 interconnect.
• For other failures of the ADF system, refer to King Air
Model 90 Series Maintenance Manual, listed in Table
1-2.
Rockwell Collins
DME
• Ensure that GIA 63 #1 is properly functioning.
• Reload the DME option configurations.
• Check for proper operation of the DME receiver. Ensure
that the receiver is receiving power.
• Check DME – GIA1 interconnect.
• For other failures of the DME system, refer to the King
Air Model 90 Series Maintenance Manual, listed in Table
1-2.