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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.
Try fresh batteries.
Ensure batteries are inserted
correctly
Check contacts are in place.
Check contacts are not broken.
Stimulation
weak or
cannot feel any
stimulation
Electrodes are dried out or
contaminated.
Replace and reconnect.
Electrode placement.
Lead wires old/worn/
damaged.
Replace.
Stimulation is
uncomfortable
Intensity is too high.
Decrease intensity.
Electrodes are too close
together.
Reposition the electrodes.
Damaged or word
electrodes or lead wires.
Replace.
Electrode active area size is
too small.
Replace electrode with ones that
have an active area no less than
16.0cm2 (4cm x 4cm).
May not operate the device
according to the manual.
Please check the manual before
use.
Intermittent
output
Lead wires.
Verify connection is secure and
firmly seated and no metal pins are
exposed
Turn down the intensity. Rotate
lead wires in socket 90°. If still
intermittent, replace lead wire.
If still intermittent after replacing
the lead wire, a component may
have failed. Call your distributor of
the manufacturer
