System Maintenance Manual

G1000/GFC700 System Maintenance Manual – C90A/C90GT/C90GTi King Air Page 5-27
190-00682-01 Revision F
5.3 C90A/C90GT/C90GTi Specific Alerts
The following alerts are configured specifically for the C90A/C90GT/C90GTi:
ANNUNCIATION ADVISORY Alerts
Message Advisory Solution
AVN 1 FAN FAIL – Avionics cooling fan #1 is
inoperative.
• Ensure that the PFD/GIA FAN (LEFT and RIGHT) and
MFD FAN circuit breakers are closed.
• Check cooling fan wiring. Refer to G1000/GFC 700
Wiring Diagram, listed in Table 1-2.
• Replace cooling fan. Refer to Sections 6.26 and 6.27.
AVN 2 FAN FAIL – Avionics cooling fan #2 is
inoperative.
PFD 1 FAN FAIL – PFD #1 cooling fan is
inoperative.
PFD 2 FAN FAIL – PFD #2 cooling fan is
inoperative.
MFD FAN FAIL – MFD cooling fan is inoperative.
ESP FAIL – ESP is inoperative. Troubleshoot the GFC 700 AFCS. Refer to Section 5.6.
ESP OFF – ESP selected off.
Check that the MFD AUX-SYSTEM SETUP 2 page shows
“Stability & Protection” status is “ENABLED”.
ESP DEGRADE - ESP IAS mode is inoperative.
Ensure ADC1 and ADC2 circuit breakers are closed and units
are providing valid airspeed data.
ESP CONFIG – ESP config error. Config service
req’d.
• Ensure that the “ESP Support Option” has been installed
per Section 3.9.4.12.
• Ensure that the “Enhanced AFCS unlock card” has been
installed per Section 3.9.12.
If the ESP option needs to be removed, reload the baseline
configuration for the specific airframe and all applicable
options as described in Section 3.9. Reloading the baseline
configuration disables all previously enabled options.
NOTE
From this point forward, all message advisory alerts presented are common to all G1000
systems and are not specific to the C90A/C90GT/C90GTi. Messages are grouped
according to LRU.