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List of Error Codes
Error code Cause How to correct
Er1
InÀ ation error
When the pressure does not exceed 15
mmHg after operating a pump for 15 seconds
from the start of inÀ ation
When the inÀ ation does not reach the set
pressure of the arm cuff within the speci¿ ed
time after starting the inÀ ation
•
•
If the connector of rubber tube connecting the
arm cuff and the main unit is loose, connect them
correctly, then measure.
If the rubber tube connecting the arm cuff and the
main unit is bent, stretch it, then measure.
If the arm cuff is wrapped loosely, wrap it correctly,
then measure.
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Er2
DeÀ ation error
When the deÀ ation speed is too fast during
the measurement
When the deÀ ation speed is too slow during
the measurement
When the measurement does not end
within the speci¿ ed time after starting the
measurement
When the pressure is applied more than 5
minutes
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Er3
Overpressure error
The arm cuff pressure exceeded 299 mmHg.
•
If the rubber tube connecting the arm cuff and the
main unit is bent, stretch it, then measure.
•
Er4
Insuf¿ cient inÀ ation error
Blood pressure could not be measured due
to insuf¿ cient inÀ ation after the measurement
ends.
•
If the measurement is made by setting P-SET to
“AUTO”, ask the patient not move his/her arm or
body during the inÀ ation.
When setting the P-SET to “AUTO”, turn the Volume
counterclockwise as far as it goes until you can hear
the click sound.
Set the P-SET to 30 to 40 mmHg higher than the
systolic pressure of the patient, then measure.
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Er5
Indeterminable blood pressure error
Blood pressure could not be measured even
when the arm cuff pressure reached the
speci¿ ed pressure.
•
If the arm cuff is wrapped loosely, wrap it correctly,
then measure.
•
Er6
Pulse wave small error
Pulse wave was too small.
•
If the arm cuff is wrapped loosely, wrap it correctly,
then measure.
Do not wrap the arm cuff over a thick cloth or by
rolling up the jacket or shirt.
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Er7
Measurement error
Relationship between systolic and diastolic
pressures was abnormal.
•
Check if the patient has an arrhythmia.
Ask the patient not to move his/her arm or body
during the measurement.
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Er8
Pulse rate error
Pule rate did not stay within the range of 30
to 199 beats/min.
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Er9
Device error
There is a problem with the main unit of the
blood pressure monitor.
•
Contact the dealer where you purchased the unit or
the nearest OMRON dealer.
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