System Maintenance Manual

G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 5-41
190-00682-01 Revision F
PFT Faults
MONITOR PFT STEP NOTES
"INTERNAL COMM FAIL"
This can sometimes be a result of a failure on the other internal servo
board, check faults on the other processor
"UNSW POWER INV" Check unit power
"MON SOL PWR ON FAIL" Check unit power and AP Disconnect power
"CTL SOL PWR ON FAIL" Check unit power and AP Disconnect power
"SOL PWR FAIL" Check unit power and AP Disconnect power
"CERT DATA UNINSTALLED" Upload the certification gain file to the Monitor board
"STRAP CODE MISMATCH" Check the connector strap inputs to the unit
Normal Mode Faults
MONITOR FAULT NOTES
"GIA DIS FAULT" Check the AP Disconnect power into the unit
"HOST DATA DIF" Check the AHRS wiring to the system
"HOST DATA INV" Check the AHRS wiring to the system
"SVO PWR INV" Check unit power and AP Disconnect power
“STRP CODE CHNG” Check the connector strap inputs to the unit
“MET STUCK SWTCH” Check the MET switch inputs into the system
“MET STATUS DIF” Check the MET switch inputs into the system