Instruction Manual

500W Series 190-01226-03 Rev. 2
Instructions for Continued Airworthiness Bell 206B Page 13 of 22
Alert Text Possible Cause Solution
COM is not responding
(530W 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
(530W 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
(530W 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 (530W 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
(530W 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 (530W 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.