Operation Manual

47Troubleshooting
IREGB
Problem Causes and solutions
The error code “E3”
appears on the
display.
The cuff is not on your upper
arm.
− Fit the cuff correctly on your
arm.
− Repeat the measurement.
The error code “E4”
appears on the
display.
A measurement error has
occurred.
− Repeat the measurement.
The error code “E5”
appears on the
display.
A problem has occurred when
inflating the cuff (inflation pres-
sure > 300 mmHg).
− Make sure that the cuff hose is
not kinked or clamped.
− Fit the cuff correctly on your
arm.
− Repeat the measurement.
The display is
blank.
or
The battery in-
dicator and the
error code “E6”
appear on the
display.
The batteries were not inserted
correctly.
− Remove the batteries and put
them back in with the correct
polarity.
Batteries are empty.
− Replace the empty batteries
with new ones.