Nissei DS-400 Manuel D'instructions page 14

ERROR SYMOL / SYMPTOM
IMPROPER
OPERATION
No display when POWER
BUTTON is pressed.
No display when
MEMORY BUTTON is
pressed.
Cannot make great
number of measurements.
Cannot complete the
measurement.
Blood pressure is different
each time. The reading is
extremely low (or high).
Pulse rate is too low (or
too high).
CAUSE / CHECK POINT
POWER BUTTON was
accidentally pressed during
battery replacement.
Have the battery polarities
been positioned incorrectly?
Has the battery run down?
Are the battery terminals
clean?
Is there any measured result
stored in the memory?
Has the battery run down?
Are you using alkaline
battery?
Has the battery run down?
Are you measuring with
correct posture?
Blood pressure readings
constantly vary with time of
measurement and nervous
condition.
Did you move during the
measurement?
Did you make measurement
right after exercise?
- 14 -
ERROR DISPLAYS AND TROUBLESHOOTING
REMEDY
Press POWER BUTTON to turn
off the power once and press
it again
measurement.
Reinsert the battery in the
correct position.
Replace the battery with new
one.
Clean the battery terminals
with a dry cloth.
Nothing is displayed when
there is no measured data
stored. The stored data will
be lost
replacement.
Replace the battery with new
one.
Use alkaline
increase battery life.
Replace the battery with new
one.
Measure with the correct
posture.
See TIPS ON TAKING YOUR
BLOOD PRESSURE.
Remain
measurement.
Measure again after resting
for more than 5 minutes.
to start
after battery
battery
still during
a
to
the