27
appears
The monitor is
malfunctioned.
Press the [START/STOP]
button again. If “Er” still
appears, contact customer
service. Refer to chapter 10.
flashes
Batteries are low.
Replacing all batteries with 2
new alkaline batteries is
recommended. Refer to
section 2.1.
appears or the
monitor is turned off
unexpectedly during
a measurement
Batteries are depleted.
Immediately replace all
batteries with 2 new alkaline
batteries. Refer to
section 2.1.
No power.
Nothing appears on
the display of the
monitor.
Batteries are completely
depleted.
Battery polarities are not
properly aligned.
Check the battery installation
for proper placement. Refer
to section 2.1.
Readings appear too
high or too low.
Blood pressure varies constantly. Many factors including
stress, time of day, and/or how you apply the wrist cuff, may
affect your blood pressure. Review sections 2.3 - 2.5 and
chapter 3.
Any other problems
occur.
Press the [START/STOP] button to turn the monitor off, then
press it again to take a measurement. If the problem
continues, remove all batteries and wait for 30 seconds.
Then re-install batteries.
If the problem still persists, contact customer service. Refer
to chapter 10.
Display/Problem Possible Cause Solution