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systematic validation. The performance is stable and does
not need to undertake calibration and validation.
If your product can’reach the expected performance and
the basic function has changed in normal use, please con-
tact the retailer.
8. TROUBLESHOOTING
Should any malfunction occur while using the device,
check whether the parameters are set appropriately for
therapy, and adjust the control correctly. Please see the fol-
lowing table:
Malfunction
Common reasons
Countermeasure
No display
The battery is exhaust-
ed
Charge in time
No sensation
of stimulation
or weak
stimulation
1. The electrode does
not connect well to
the skin.
2. If the connection
between electrode
connects well to the
stimulator.
3. The battery is used
up.
4. The skin is too dry.
1. Check and re-paste it
on skin.
2. Check the connec-
tion.
3. Charge.
4. Wipe the electrode
and the skin with a
wet cotton cloth.
Automatic
halt in the
treatment
1. The electrode loses
connection with the
skin.
2. If the battery is used
up.
1. Check and place the
electrode properly
on the skin.
2. Charge
t
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