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Problem
Situation
Display will not
No power
light up.
Display is dim or show
Low batteries
E 1 shows
Error Message
E 2 shows
E 3 shows
E10 or E11
shows
E20 shows
Error Message
E21 shows
EExx, shows on
the display.
Should the problems persist, please contact an authorized service centre.
Should the readings be excessively high or low, please seek your doctor's advice.
Verify
Intervention
Batteries are exhausted
Replace with new batteries
Batteries are inserted
Insert the batteries
incorrectly.
correctly
AC adaptor is inserted
Insert the AC adaptor tightly
incorrectly.
Batteries are low
Replace with new batteries
Refasten the cuff and then
The cuff is not secure.
measure again
Readjust the cuff, not too loose or too tight and then
The cuff is very tight
measure again.
The pressure of the
Relax for a moment
cuff is excess.
and then measure again.
The monitor detected
motion, talking or the
Relax for a moment and then measure again
pulse is too poor
while measuring.
The measurement
Loosen the clothing on the arm and then measure
process does not detect
again
the pulse signal.
The treatment of the
Relax for a moment and then measure again.
measurement failed.
Retake the measurement.
If the problem persists, contact the retailer or
A calibration error
our customer service department for further
occurred.
assistance. Refer to the warranty for contact
information and return instructions.
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