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G500 Cockpit Reference Guide
190-01102-03 Rev C
ALERTS
ALERTS
Alert
Description
GAD 43 (cont’d)
AHRS Attitude Invalid Fault
AHRS A429 Heading Timeout Fault
AHRS A429 Heading Invalid Fault
Reference Timeout Fault
Application SCI Integrity Fault
Confi guration Integrity Fault
Calibration Integrity Fault
Unit Fault
Power Supply Fault
GAD 43 FAIL
GAD 43 communication lost.
GATE MODE
Automated testing is on.
GEO LIMITS
AHRS too far North/South, no magnetic compass.
GPS1/2 FAIL
No GPS1 or GPS2 data is available.
GPS(1/2) PPS FAIL
The PPS signal has not been received in more than 5
seconds.
GWX CONFIG
GWX confi guration error. Confi guration service required.
GWX SERVICE
GWX need service. Return unit for repair.
HDG FAULT
AHRS 1 magnetometer fault has occurred.
HDG LOST
HDG features disabled or defaulted to GPS1 TRK.
<LRU> CONFIG
Error in confi guration of specifi c LRU, where <LRU>
denotes specifi c LRU.
<LRU> COOLING
Specifi c LRU has poor cooling, reducing power usage.
<LRU> DB ERR
Database for specifi c LRU is corrupt.
<LRU> SERVICE
Specifi c LRU needs service.
<LRU> VOLTAGE
<LRU> has low voltage reducing power usage.
MANIFEST
GDU has received product data for an LRU that should
have a manifest entry, but is not in the manifest.
NAV1/2 FAIL
No navigation receiver #1 or #2 data.
SIMULATOR
Sim Mode is active. Do not use for navigation.
