Garmin G1000 Nav III Error AFCS: AFCS System Failure

G1000 Nav III · taken from the manufacturer’s manual, pages cited

Error codeAFCS

The AFCS System Failure indicates a problem with the G1000's flight control system, requiring inspection of key avionics units and servos. The manual's first action is: “Check specifically for proper operation of the: • GIA 63W Integrated Avionics Unit • GRS 77 AHRs • GDC 74A Air Data Computer • All GSA 81 Servos”

Model
Garmin G1000 Nav III
Display shows
AFCS System Failure (AFCS)
Type
Error code
Source
Manual p. 36

What AFCS means

AFCS System Failure p. 36

Common causes

  • Ensure that the G1000 system is in proper working order. p. 36

What to do

  1. Check specifically for proper operation of the: • GIA 63W Integrated Avionics Unit • GRS 77 AHRs • GDC 74A Air Data Computer • All GSA 81 Servos p. 36

Before you service the product, read the safety instructions in the manual p. 4.

If AFCS is still not resolved

  • Contact service / dealer p. 3
    “KEEP AWAY FROM LIVE CIRCUITS. Maintenance personnel shall ob serve all safety regulations at all times.”
  • Contact service / dealer p. 127
    “Loading the wrong software into GIA63/63W units may cause an inoperable condition that is not covered by warranty .”

This page summarises what the manufacturer’s manual says about AFCS; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Garmin. Found a mistake? Report an error.