Fluke DTX-1800 Technical Reference Handbook page 336

DTX Series CableAnalyzer
Technical Reference Handbook
The tester will not turn on even when the battery is charged.
The battery's safety switch has tripped. Connect the ac adapter for a few minutes to reset the switch.
All the LEDs on the smart remote are flashing
The smart remote detects excessive voltage on the cable. Unplug the cable immediately.
Test results appear to be incorrect.
The tester may not be configured correctly. For example, the wrong test standard or cable type may be selected or the
NVP or n value may be incorrect.
The tester may need referencing.
See Chapter 3 for twisted pair test settings, Chapter 5 for coaxial test settings, Chapter 7 for OTDR test settings, or
Chapter 8 for fiber loss/length test settings.
The test reference cords and adapters are good, but the reference power level is too low.
Clean the tester's input and output connectors and use a fiber microscope to inspect the endfaces. If an endface is
damaged, contact Fluke Networks for service information.
A fiber test produces a negative loss reading.
There is a problem with the reference. Set the reference and test the cabling again. See Chapter 8 for details.
14-10
Table 14-1. Troubleshooting the Tester (cont.)