42
Vectra Genisys®/Intelect Legend XT®/ Intelect® Vet Therapy Systems
5 TROUBLESHOOTING
5.8 INTERFERENTIAL MODE TEST
It is assumed that the unit is ready for tests as
described in
5.6 parts A and B.
If not, Set up Unit per
5.6 parts A and B
prior to performing tests.
A. Interferential Mode Test Procedures
Set Scope; Time- 100 μS, Channel- 20 V, and
Trigger- DC.
Press Electrotherapy Button.
Press IFC Traditional (4p) Button.
Rotate Therapy Intensity Control clockwise
until 50 is displayed.
Press Start Button.
Compare waveform form on scope to
Figure 5.6.
Press “Pause”.
Verify that the amplitude displayed
below timer and beside Channel 1 and 2
icons drops to zero (0). Verify that “Paused”
is displayed beside the “Channel 1” and
“Channel 2” icons.
Press Stop Button.
Press the Home Button. Move Lead wires to
Channels 3 and 4 on 4 Channel Systems
and repeat
steps 2 through 9
.
B. Interferential Mode Test Results
1.
Waveform is the same between scope and
Figure 5.6
, amplitude dropped to zero
when paused and “Paused” displayed beside
channel
icons.
Unit passed test.
2.
No waveform or considerably different
waveform.
Unit failed test. Replace appropriate Stim
Board.
3.
Amplitude failed to “zero” when paused.
Unit failed test. Replace appropriate Stim
Board.
4.
“Paused” did not display when unit paused.
Unit failed test. Replace appropriate Stim
Board.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
FIGURE 5.6
