evoStim
®
E - User guide 35
Comments /
Probable causes
12.6 - In the
biofeedback session
no EMG signal is
detected.
12.6a - The device is equipped
with a "zeroing" system of the
pressure (§10.3).
12.6aa - Verify that "zeroing" procedure was correctly
performed. Possibly, try to repeat it. In case, switch-OFF and
switch-ON the unit.
12.6b - Make sure that the
ground electrode is properly
connected to the unit (§ 7.3).
12.6bb - It could be due to an electrode with reduced adhesive
capacity (dehydrated gel). Replace the electrode with a new
one. If the problem persists, contact the manufacturer.
12.6c - If the EMG signal is
detected with a probe, there is a
possibility of insufficient contact
between the probe electrode and
mucosa.
12.6cc - This may happen with a patient in a supine position.
Try changing the angle of the patient's trunk (semi-sitting
position).
Try to apply two adhesive electrodes along an external muscle
to verify that the instrument and the cables are properly
working.
12.7 - Strange
symbols randomly
appear on the
display.
12.7a - Try to replace the batteries (§ 7.1).
If the problem persists, contact the manufacturer or distributor.
12.8 - The buzzer
cannot be heard.
12.8a - Make sure it has not been
disabled (§ 8.3.2).
12.8aa - If the problem persists, contact the manufacturer or
distributor.
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