400W Series
190-01226-04 Rev. 2
Instructions for Continued Airworthiness Bell 206B
Page 13 of 22
Alert Text
Possible Cause
Solution
COM is not responding
420W and 430W only)
•
Internal system-to-system
communication between the
main processor and the COM
transceiver has failed.
Operational status of the COM
transceiver is unknown.
•
Contact Garmin technical
support. If the COM board is
still working, it will automatically
tune to 121.500 MHz. Transmit
and receive functions may still
operate regardless of the
displayed frequency.
COM needs service
420W and 430W only)
•
The unit has detected a failure
in its communications
transceiver. The COM
transceiver may still be usable.
•
Contact Garmin technical
support
•
The external push-to-talk
(PTT) switch is stuck in the
enabled (or “pressed”) state.
•
Try pressing the PTT switch
again to cycle its operation.
COM push-to-talk key stuck
420W and 430W only)
•
Wiring is incorrect.
•
Check Wiring
•
Try pressing the switch again to
cycle its operation.
•
Verify the wiring is correct.
COM remote transfer key is
stuck (420W and 430W only)
•
The remote COM transfer
switch is stuck in the enabled
(or “pressed”) state.
•
If the message persists, contact
Garmin technical support.
•
Try pressing the switch again to
cycle its operation.
COM transfer key stuck
420W and 430W only)
•
The COM flip-flop key is stuck
in the enabled (or “pressed”)
state.
•
If the message persists, contact
Garmin technical support.
•
The unit has detected
excessive unit temperature.
The COM transceiver transmit
power has been automatically
reduced to compensate for the
condition.
•
Check for adequate ventilation
or check cooling airflow. Refer
to Section 2.7 of the Installation
Manual.
COM transmitter power has
been reduced 420W and
430W only)
•
Insufficient voltage level
•
Check the input voltage
Configuration error - Config
service req’d
•
The configuration information
has been lost or corrupted.
•
Reconfigure the unit
Data transfer cancelled
(crossfill is busy)
•
An attempt to transfer flight
plan data during a unit-to-unit
crossfill was cancelled.
•
The host unit is busy. Wait until
any previous crossfill operation
is complete, before
reattempting the transfer.
Data transfer cancelled (data
invalid)
•
An attempt to transfer a single
user waypoint during a unit-to-
unit crossfill was cancelled.
No waypoint was specified on
the Crossfill Page.
•
Select a user waypoint and re-
attempt the transfer.
Data transfer cancelled
(version mismatch)
•
An attempt to transfer data
during a unit-to-unit crossfill
was cancelled. The database
versions of the two 400W-
series unit are not identical.
•
If necessary, update the
database(s) so they match.
