Chattanooga SENIOR SOLUTIONS, Service Manual

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Senior Solutions™ Therapy System
5 TROUBLESHOOTING
5.7 VMS™ MODE TEST
A. VMS™ Mode Test Procedures
Set Scope; Time- 100 μS, Channel- 50 V, and
Trigger- DC.
Press Electrotherapy Button.
Press VMS Button and then press Edit
Button.
Press “Channel Mode” until “Co-Contracted”
is displayed just beneath “Channel Mode”.
Press Cycle Time Button until “Continuous” is
displayed.
Press Phase Duration and press the Up
Arrow until 300 is displayed just below
“Phase Duration”.
Press the Accept and Return Arrow.
Turn Therapy Intensity Control clockwise
until 200 is displayed.
Press START.
Compare waveform on scope to
Figure 5.5.
Press STOP Button. Then press Home Button.
Press Select Channel Button until Channel 2
is selected. Repeat
steps 2 through 11 .
B. VMS™ Mode Test Results
Waveform is the same between scope and
Figure 5.5.
Unit passed test.
No waveform or considerably different
waveform.
Unit failed test. Replace appropriate Stim PC
Board.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
1.
2.
FIGURE 5.5