Vectra Genisys Service Manual - DJO Global

5- TROUBLESHOOTINGVectra Genisys®/Intelect Legend XT®/ Intelect® Vet Therapy Systems5.11 MICROCURRENT MODE TESTNOTE:This test does not apply to the Intelect Vet TherapySystem.Set up System per 5.6 parts A and B prior toperforming test.Place ESTI-2 Load Switch in the 10 K Micro positiononly for the Microcurrent Mode Tests. See Figure 5.10.A. Microcurrent Mode Test Procedures1. Set Scope; Time- 250 μS, Channel- 5.0 V,and Trigger- DC.2. Press Electrotherapy Button.3. Press Microcurrent Button and press EditButton.4. Press Frequency Button.5. Press the Up Arrow Button until 1000.0 Hzis displayed.6. Press the Accept and Return Arrow.NOTE:1000.0 Hz should be displayed withinthe Frequency icon. If not, repeat steps 4through 6.7. Press “Polarity” until “Alternating” appearswithin the Polarity icon.NOTE:The Frequency value will continue toramp and rotate due to AlternatingPolarity being selected. This is normal.8. Rotate Therapy Intensity Control until1000 is displayed.9. Press “Start”.10. Compare waveform on scope to Figure5.11 and Figure 5.11A.NOTE:The output will alternate between positiveand negative on the scope.11. Press Stop Button and then press HomeButton.12. Select the next channel to be tested bypressing the Select Channel Button untilthe desired channel is selected. Repeatsteps 2 through 11 for each channel.B. MicroCurrent Mode Test Results1. Waveform is the same between scopeand Figure 5.11 and Figure 5.11A.Unit passed test.2. No waveform or considerably differentwaveform.Unit failed test. Replace appropriate StimBoard.LOAD SWITCHTO 10K MICROFIGURE 5.10PROPER POSITIVE (+) “MICROCURRENT” WAVEFORMSPEC: 10 V PEAK TO PEAK ±10%FIGURE 5.11PROPER NEGATIVE (-) “MICROCURRENT” WAVEFORMSPEC: 10 V PEAK TO PEAK ±10%FIGURE 5.11A45