Instruction Manual

Instructions for Continued Airworthiness 190-00792-12 Rev 1
for the Garmin G500H Installation in Eurocopter AS350 Page 69 of 80
Alert Text
Cause
Solution
GDL69 CONFIG The GDL 69 configuration
information stored in the GDL 69
and the GDU 620 configuration
module do not match.
With the GDU 620 in configuration mode,
go to the GDL 69 page in the GDL page
group. Verify that the SET and ACTIVE
configuration settings are the same. If
not, use the SET>ACTV soft key to copy
the configuration settings from the GDU
620 into the GDL 69.
The GDL 69 configuration was
updated using another LRU
(e.g. the GMX 200 or 400W/500W).
Update the GDL 69 configuration using
the GDU 620.
GDU CONFIG
This error appears whenever the
GDU is replaced with a GDU that
was configured for a different
installation.
Cycle power to the GDU. This error
automatically clears on the second power
up with a different configuration module.
Error in the configuration of the
GDU 620.
GDU (1/2) COOLING Specific GDU has poor cooling, and
power usage is being reduced.
Ensure fans on indicated GDU are
functioning
Ensure fans on indicated GDU are not
obstructed
GDU (1/2) DB ERR Error in specific database, where
GDU (1/2) DB denotes specific
database.
Verify the correct card is installed, reload
the DB on the card.
GDU (1/2) VOLTAGE GDU supply voltage is below 12
VDC.
Increase the voltage above 12VDC.
GEO LIMITS Location is too far north/south for
GRS 77H magnetic compass.
GPS(1/2) FAIL No GPS1 or GPS2 data is available.
Ensure GPS (1/2) is turned on
Verify RS-232 wiring from the GPS to the
GDU 620.
GPS(1/2) PPS Failure This alert will be set if the PPS
signal has not been received in
more than 5 sec. If the unit is
configured for dual GPSs then the
side will be specified in the error.
Ensure GPS (1/2) is turned on
Verify 1PPS wiring from the GPS to the
GDU 620.
GPS2 FPL USED The GPS1 has failed and GPS2 is
configured and operating.
HDG FAULT AHRS magnetometer fault has
occurred.
GRS 77H not receiving information from
GMU 44. Verify wiring to GMU 44.
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