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G900X/G950 Installation and Maintenance Manual – Troubleshooting
Page D-47
190-00719-00
Revision D
D.6.5 COM Related Alerts
Message Cause
Solutions
COM1 SERVICE – COM1
needs service. Return unit for
repair.
The system has
determined COM1 needs
service.
•
Replace
GIA1.
COM2 SERVICE – COM2
needs service. Return unit for
repair.
The system has
determined COM2 needs
service.
•
Replace
GIA2.
COM1 PTT – COM1 push-to-
talk key is stuck.
The COM1 external push-
to-talk (PTT) switch is
stuck in the enabled (or
“pressed”) state.
•
Press the push-to-talk switch(s)
again to cycle its operation.
•
Check push-to-talk switch(s) and
wiring.
•
Switch GIA1 and GIA2, to verify
location of problem:
−
If problem follows the unit,
replace GIA1.
•
Check GIA1/GMA 347 interconnect.
•
Replace GMA 347.
COM2 PTT – COM2 push-to-
talk key is stuck.
The COM2 external push-
to-talk (PTT) switch is
stuck in the enabled (or
“pressed”) state.
•
Press the push-to-talk switch(s)
again to cycle its operation.
•
Check push-to-talk switch(s) and
wiring.
•
Switch GIA2 and GIA1, to verify
location of problem:
−
If problem follows the unit,
replace GIA2.
•
Check GIA1/GMA 347 interconnect.
•
Replace GMA 347.
COM1 TEMP – COM1 over
temp. Reducing transmitter
power.
The system has detected
an over temperature in
COM1.
•
Check fan, wiring and air tubing for
proper operation (if applicable).
•
Replace cooling fan if unable to
determine if operating correctly.
•
Replace
GIA1.
COM2 TEMP – COM2 over
temp. Reducing transmitter
power.
The system has detected
an over temperature in
COM2.
•
Check fan, wiring and air tubing for
proper operation (if applicable).
•
Replace cooling fan if unable to
determine if operating correctly.
•
Replace
GIA2.
NOTE
COM 1 and COM 2 remain operable in an over-temperature condition with reduced
transmit power.