Garmin GFC 600 Manual page 46

Amber flashing YD LED for 10 seconds, then extinguished - Normal YD disconnect
Flashing Amber YD LED for 10 seconds, then steady – Abnormal YD disconnect
YD
Flashing Amber YD LED for 10 seconds, then steady, accompanied by a GMC 605
message for ELE or AIL mistrim message – See abnormal procedure for mistrim
message.
Steady Amber YD LED – Failed Yaw Damper – YD FAIL in message window
Flashing yellow TRIM displayed on the GI 285, for 10 seconds, then steady,
accompanied by a GMC 605 message for ELE, AIL, or RUD mistrim message – See
abnormal procedure for mistrim message.
TRIM
OR;
(GI 285)
Steady yellow TRIM displayed on the GI 285, accompanied by a GMC 605 P TRIM
FAIL message. – Autopilot and Manual Electric Trim is inoperative.
Lateral or
Vertical
Abnormal mode transitions will flash yellow for 10 seconds before the default mode is
Mode
annunciated as the active mode in green.
(GI 285)
Continuous Flashing Red AP LED – Abnormal AP disconnect
AP
Steady Red AP LED – Autopilot Fail. Cause of the failure will be annunciated in the
message window.
FD Not used
AP Autopilot is OFF
FD Flight Director is OFF
YD Yaw Damper is OFF
LIGHTING
GMC 605 mode panel and GI 285 annunciator panel lighting (if installed) may be controlled by an aircraft
dimming bus if the system is configured for dimming bus operation. If not controlled by dimming bus,
lighting is controlled by integrated photocells which sense the ambient cockpit lighting.
GFC 600 Autopilot Installed in Piper PA-46-310P/350P
Page 46 of 46
GMC 605 / GI 285 RED LED LIGHTS
NO ILLUMINATED LED LIGHT
190-02011-11 Rev. 2