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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
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 weak
Electrodes
1. Dried out or
damaged
2. Incorrect
placement
Lead wires
1. Worn or damaged
Replace and re-connect
Replace
Stimulation is
uncomfortable.
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
16cm
2
(4cm*4cm).
Intermittent
output
Lead wires
Intended feature of
program in use
1. Verify connection is secure. Insert
firmly.
2. Turn down the intensity. Rotate
lead wires in socket 90 degrees.
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
