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If you cannot get correct measurement with the methods above, do not tamper with the internal
mechanism. Contact your supplier. If the unit malfunctions, please return it to the supplier or an
authorized service representative for servicing according to the warranty. The manufacturer provides
service data to qualified suppliers.
100
PUMP
OFF
140
180
220
260
280
PRESET PRESSURE
PUMP
OFF
CAUSE
ERROR SYMBOL/SYMPTOM
REMEDY
Make sure that the patient stays
still during measurement.
Allow your patient to rest for
more than 5 minutes.
Measurement result is saved
only when it is taken in "AUTO"
mode.
Measurement cannot be made
when BATTERY MARK is
displayed. Recharge the battery.
Air pump does not operate when
PRESET PRESSURE is set to
PUMP OFF. Turn PRESET
PRESSURE CONTROL and
select appropriate pressure
between 100 and 280 mmHg for
automatic inflation.
AC INDICATOR also indicates
whether the battery is being
charged or not.
Difference in voltages between
AC ADAPTOR and the battery
lead to differences in LCD
brightness. This does not
indicate functional problem.
Patient moved during
measurement.
There was not enough rest
taken before measurement.
Blood pressure was taken in
"MANUAL" MODE.
Battery is exhausted.
PRESET PRESSURE CONTROL
is set to "PUMP OFF".
The battery is inserted.
DM-3000 is operated with the
battery.
Pulse rate is too low (or
too high).
Measurement result
cannot be recalled or it is
not stored.
Cuff inflation does not
start.
AC INDICATOR is lit even
when DM-3000 is turned
off.
The column LCD is dim or
its brightness is not
steady.
ERROR DISPLAYS AND TROUBLESHOOTING