7. Troubleshooting
If your device does not seem to be operating correctly, refer to the
chart below to determine what may be wrong. Should none of these
measures correct the problem, the device should be serviced.
Problem Possible Cause Solution
Display
fails to
light
up
Battery contact failure 1. Try fresh batteries.
2. Ensure batteries are inserted
correctly. Check the following
contacts:
• All contacts are in place.
• All contacts are not broken.
Stimulation
is weak
Electrodes
1. Dried out or
contaminated
2. Placement
Lead wires
1.Old/worn/damaged
Replace and re-connect
Replace
Stimulation
is
uncomfort
able.
Intensity is too high
Electrodes are too
close together
Damaged or worn
electrodes or lead wires
Electrode active area
size is too small.
Decrease intensity.
Reposition the electrodes.
Replace.
Replace electrodes with ones that have
an active area no less than
16.0cm2(4cm*4cm).
Intermittent
output
Lead wires
Program option in use
1. Verify connection is secure. Insure
firmly.
2. Turn down the intensity. Rotate lead
wires in socket 90°. If still intermittent,
replace lead wire.
3. If still intermittent after replacing lead
wire, a component may have failed.
Call the repair department.
Some programs will seem intermittent.
This is expected.
Refer to the Program Option Controls in
the Operation section for a description
of the program option.
Stimulation
is
ineffective
Improper electrode and
applicator placement
Unknown
Reposition electrode and applicator
Contact clinician.
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