SYMPTOM CAUSE REMEDY
No display when the
START button is pressed
The battery have run down.
The polarity of battery is wrong
The contact of battery compartment
is polluted
Charge the battery with the adapter or
replace the battery with new one
Install the battery correctly
Clean the battery terminals with dry cloth
The reading is extremely
low or high
Is the cuff at the same level as the heart?
Is the cuff wrapped right?
Did you strain your arm during measurement
Did you talk or move your arm (or hand)
during measurement?
Make sure that your posture is right
Wrap the cuff correctly
Relax during measurement
Keep quiet and silent during the
measurement
The battery are run down Faulty batteries are used Use only rechargeable battery
in the manual
The device is automatically
turned off
It is the result of automatically
turn off system
This is to save the power consumption
of the device, and it is not a fault