SYSTEM INSTALLATION MANUAL
89000016
Table 4003. KGX Control Panel System Messages (Cont)
System Message
Description
Remote Hot
KGX internal temperature too high
No ADS-B Pos
The unit is not receiving digital serial communication from the GPS
GPS Fault
GPS has reported unavailable position or a fault
Top ant Fault
Top antenna disconnected (if DC ground check configured)
Bot ant Fault
Bottom antenna disconnected (if DC ground check configured)
PSU Fail
Internal DC power supply failure
ADC Fault
ADC or altitude sensor fault or not responding
B.
KGX Control Panel System Message Troubleshooting
(1)
Table 4004 is a quick reference troubleshooting guide using the system messages.
Table 4004. KGX Control Panel System Message Troubleshooting Guide
System
Potential Cause
Troubleshooting
Synth Unlock
Transmitter can’t lock to carrier
frequency
Cycle power on the KGX.
Return for maintenance if problem persists.
Tx Fault
Generic transmitter fault -
POST, transmit, address,
broadcast, or nominal rate
failure
Cycle power on the KGX.
Check for valid ICAO address config.
Tx Power Low
Transmitter power too low
Check antennas and cabling.
Return for maintenance if problem persists.
Tx PSU High
Transmitter power supply
voltage too high
Cycle power on the KGX.
Return for maintenance if problem persists.
Tx PSU Low
Transmitter power supply
voltage too low
Cycle power on the KGX.
Return for maintenance if problem persists.
Squitter Fail
Transmitter modulation fault
Cycle power on the KGX.
Return for maintenance if problem persists.
Remote Hot
KGX internal temperature too
high
Cycle power on the KGX.
Turn power off for several minutes then back on.
Return for maintenance if problem persists.
No ADS-B Pos
The unit is not receiving digital
serial communication from the
GPS.
Verify GPS is functioning.
Verify GPS port configuration and speed.
Verify GPS communication connection.
GPS Fault
GPS has reported no available
position or a fault.
Verify GPS is functioning.
Verify GPS Antenna Cable connection.
Verify GPS Antenna installation/operation.
EFFECTIVITY
ALL
Page 4003
22 Dec 2016
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