TQ Aviation
KTX2-F.0100
EASA.AP445
MAN
KTX2-F.A-MAN.0001.docx
Page 57 of 74
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The following table shows a list of all degrading failures of the transponder.
Displayed Error
Explanation
Remarks
EEPROM access
Severe operation error. No access
to EEPROM.
Send unit for servicing.
FPGA
communication
Severe operation error. No access
to FPGA.
Send unit for servicing.
FPGA internal
Severe operation error. FPGA
internal failure.
Send unit for servicing.
ADC
Severe operation error. No access
to ADC.
Send unit for servicing.
Trans. out. power
Severe operation error. No or very
low TX output power.
Check installation (power cable, antenna
cable, etc.). If no root cause can be
discovered, send unit for servicing.
Antenna failure
Severe operation error. Antenna
not connected or Antenna VSWR
is very high.
Check installation (power cable, antenna
cable, etc.). If no root cause can be
discovered, send unit for servicing.
MCU
Severe operation error. MCU
internal failure.
Send unit for servicing.
Unknown Error
Severe operation error.
Check installation (power cable, antenna
cable, etc.). If no root cause can be
discovered, send unit for servicing.
Table 7: Severe Failures
