Garmin 500W Series, Instructions Manual

Page: 17 / 23

500W Series 190-01226-03 Rev. 5
Instructions for Continued Airworthiness Bell 206B Page 17 of 23
Alert Text Possible Cause Solution
No altitude input is
being received

No altitude data is being received from
RS-232 (Serializer: Icarus, Rosetta or
Shadin) or grey code inputs.

Refer to Table 2 “RS-232
device is not communicating
with the 500W/530W”.
No basemap data
available

The 500W Series unit has detected a
failure in the built-in basemap (land
data) memory. Land data does not
appear on the Map Page. Other unit
functions continue to work normally.

Contact Garmin technical
support to reload the basemap
data.
Not receiving input data
on 429 Channel #1 or
#2

No data has been received on the
ARINC 429 channel #1 connection for
a period exceeding five seconds.

Refer to Table 2 “ARINC 429
device is not receiving data
from the 500W/530W”
Not receiving input data
on 232 Channel #(1
through 5)

No data has been received on one (or
more) of the RS-232 channel
connections for a period exceeding
ten seconds.

Refer to Table 2 “RS-232
device is not communicating
with the 500W/530W”
Not receiving traffic
data

No traffic data is being received.

Check for proper configuration

Check the wiring

Contact Garmin technical
support.
NRST key stuck (GPS
500 only)

The NRST key is stuck in the enabled
(or “pressed”) state.

Try pressing the NRST key
again to cycle its operation. If
problem persists contact
Garmin technical support.
OBS key stuck

The OBS key is stuck in the enabled
(or pressed) state. Try pressing the
OBS key again to cycle its operation.

Contact Garmin technical
support.
OBS not available

No destination waypoint has been
selected.

Select a waypoint

The GPS receiver cannot currently
determine its position.

Refer to Table 2 “The 500W
Series unit does not compute
a position.”
Obstacle database
integrity error

The 500W Series unit has detected a
problem with a database on the
Terrain data card.

The data is not usable. Try
reloading the information onto
the card. If that does not
solve the problem replace the
card.
RAIM position warning

Although sufficient GPS satellite
coverage may exist, Receiver
Autonomous Integrity Monitoring
(RAIM) has determined the
information from one or more GPS
satellites may be in error.

Wait for GPS satellite
geometry to improve.
Searching the sky

The 500W Series unit is searching the
sky for GPS satellites.

Wait 20 minutes for unit to
complete cycle or until the
current position is located.
Stored data was lost

All user waypoints, flight plans and
system settings have been lost due to
a memory battery failure or system
reset.

If system was not reset
contact Garmin technical
support.