User Manual
37
TROUBLESHOOTING
If this happens... Possible causes... Try this solution...
The intensity is not 
felt. 
Very weak intensity 
level.
Are you using only 
1 pad?
Place the other pad on 
your skin. You must 
use BOTH PADS for 
therapy to work.
Have you removed the 
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the gels?
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the adhesive surface 
of gels.
Are the pads stacked 
together or do pads 
overlap?
Check placement of 
pads. Refer to “Pad 
Placement Guide”.
Is the cord properly 
connected to the unit?
Connect the cord plug 
correctly into the jack at 
the bottom of the unit.
Is the intensity setting 
too low?
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arrow button.
Is the gel damaged? Replace the Gel.
If this happens... Possible causes... Try this solution...
The intensity is not 
felt.
Very weak intensity 
level.
Does the battery have 
enough charge?
Charge the battery 
fully.
The skin turns red 
or feels irritated.
Is the Gel dirty? Replace the Gel.
Is therapy time 
too long?
Shorten therapy to 
less than 30 minutes.
Are the 2 pads 
attached properly to 
the body?
Refer to the “Pad 
Placement Guide” and 
attach correctly.
Is the gel surface 
worn out?
Replace both gels at the 
same time.
No power source.
Are the batteries 
depleted?
Recharge the battery 
fully.
38
TROUBLESHOOTING
If this happens... Possible causes... Try this solution...
No power source.
Is the battery 
properly charge?
Check if the AC adapter 
is properly connected to 
the unit.
Check if AC adapter is 
connected to a power outlet.
Power cut off 
during use.
Is the battery charge 
extremely low?
Recharge the battery 
fully.
Is the cord broken? Replace the cord.
Are you using only 
1 pad?
Put the other pad on your 
skin. You must use BOTH 
PADS for therapy to work.
Battery icon is depleted 
or close to empty. 
Is the battery fully 
charged?
Recharge the battery 
fully.
If this happens... Possible causes... Try this solution...
The gel does not stick 
to skin.
Have you removed 
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from the gels?
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adhesive surface of gels.
Is the pad wet? or Is 
your skin too wet?
Air dry the gel or skin.
The gel may be 
damaged.
Replace the gel.
Is there too much 
hair on your skin?
Shave the immediate area 
for proper pad adhesion.
The pad gel does not 
stick to skin.
Is your skin too wet?
Dry the skin area.
Were the gels 
stored under high 
temperature, high 
humidity, or direct 
sunshine?
Replace both gels.
39
TROUBLESHOOTING
If this happens... Possible causes... Try this solution...
The main unit or 
the AC adapter is 
abnormally hot when 
charging the battery.
The main unit or the 
AC adapter may be 
damaged.
Unplug the AC adapter 
from the outlet and 
the cord plug from the 
main unit immediately.
 is displayed.
Only 1 pad is 
attached, or both pads 
are not attached.
Re-attach dislocated 
pad(s) onto the skin 
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Have you removed the 
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the gel?
3HHORIIWKH¿OPRQ
the adhesive surface 
of gels.
Is the cord properly 
connected to the main 
unit?
Connect the cord plug 
correctly into the jack at the 
bottom of the main unit.
Is the adhesive surface 
of gels dirty or dry?
Replace the Gels.
If this happens... Possible causes... Try this solution...
The pads are not 
getting hot. The RED 
GLOW does not come 
on.
Is the cord properly 
connected to the unit? 
Check if the cord is 
properly connected.
Is the cord disconnected 
or short-circuited?
Replace the cord.
The Pads with Gels 
are too hot on the skin 
and there is a burning 
scent.
Is the cord short-
circuited?
Stop using the unit 
immediately, and 
replace the cord.
Is the Pad with Gel 
broken or bent?
Stop using the unit 
immediately, and 
replace the entire Cord 
with Pads and/or Gels.
Have you changed the 
heat setting too frequently 
during the therapy?
Stop using the unit 
immediately, and do not 
change the heat setting 
many times during the 
session.
40
TROUBLESHOOTING
If this happens... Possible causes... Try this solution...
E1 is displayed.
Is the cord properly 
connected to the unit?
Check if the cord is 
properly connected.
If the error is still 
displayed, the cord may 
be broken (damaged). 
Replace the cord.
E2 is displayed.
Is the cord internally 
short-circuited?
Stop using the unit 
immediately, and 
replace the cord.
E3 is displayed.
Are there any 
abnormalities in 
the main unit of the 
device?
The main unit may be 
damaged.
Stop using the unit 
immediately, and contact 
OMRON Customer 
Service Center.
If this happens... Possible causes... Try this solution...
E4 is displayed.
The unit is being 
used outside of the 
operating temperature.
Leave the unit within the 
operating temperature 
(+50 to +104 °F (+10 
to +40 °C)) for a while 
before use.
The operating time 
is short, or the unit 
does not operate, even 
when the battery is 
fully charged.
This may be due to the life of the rechargeable 
battery. However, the battery cannot be replaced.
Please dispose of the unit.
If the above measures are not effective, contact us at 1-800-634-4350.










