TM 43-6625-916-12
POWER PROBLEMS
TROUBLESHOOTING SECTION TS002
SYMPTOM
Test Set does not work from external power but works okay from battery.
MALFUNCTION
1.
Resettable electronic fuse on Power Supply Board tripped.
2.
Defective AC Adapter (PN: 15-0360-M0).
3.
Defective external source.
4.
Defective KIT/KIR-1C Interface Cable Assembly (PN: 55-1045-10).
5.
Defective Power Supply Board (PN: 55-1045-14)
6.
Defective A7 Main Connector Assembly (PN: 20-6870-30).
CORRECTIVE ACTION
1. Remove external power and battery. Allow Test Set to cool to room temperature. Fuse
will automatically reset. Reapply power.
2. Replace the External AC Adapter (PN: 15-0360-M0).
3. Replace external DC power source.
4. Replace KIT/KIR-1C Interface Cable Assembly (PN: 55-1045-10).
5. Replace Power Supply Board (PN: 55-1045-14).
6. Replace A7 Main Connector Assembly (PN: 20-6870-30).
SYMPTOM
Test Set does not work from AC Adapter (PN: 15-0360-M0), but works okay from other external power.
MALFUNCTION
Defective AC Adapter (PN: 15-0360-M0).
CORRECTIVE ACTION
Replace the AC Adapter (PN: 15-0360-M0).
SYMPTOM
Test Set does not work from external power but works okay from AC Adapter (PN: 15-0360-M0).
MALFUNCTION
Defective external power supply source.
CORRECTIVE ACTION
Use another external power supply source.
MALFUNCTION
Reverse polarity from external power supply.
CORRECTIVE ACTION
Reverse power leads of External DC POWER CABLE (PN: 55-1045-14) connected to the
external power supply.
0012 00-1
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