TROUBLESHOOTING SECTION TS003
Cannot load Mode 4 codes.
Cannot detect KIT for interrogator testing.
Cannot load Mode 4 codes for transponder testing.
Cannot retain Mode 4 codes.
External COMSEC device does not have a valid key code loaded into it or may be defective.
The Test Set detects an external COMSEC device. A failure to
detect may be indicated by "NO COMSEC KEY" or "NOT
AVAILABLE" message on the display. The KIT/KIR-1C electrical
signals are generated and received on the DSP board then
routed through the power supply Board, main connector
assembly, and the KIT/KIR-1C interface cable.
Verify external COMSEC device has a valid key code loaded into it and load code per procedure in
COMSEC battery is not operating properly.
The COMSEC battery must be working. Otherwise correctly
loaded Mode 4 codes will be erased when the COMSEC powers
down or is disconnected.
Replace the battery in the KIT-1C or KIR-1C COMSEC device.
Defective KIT/KIR-1C interface cable assembly (PN: 55-1045-10).
Replace KIT/KIR-1C interface cable assembly (PN: 55-1045-10).
Defective PCBs and/or main connector assembly.
Refer to the next higher level of maintenance.
END OF WORK PACKAGE
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