
Troubleshooting Tables
4-12
Troubleshooting
.
M3815B
Display Symbol
Reason
Possible Solutions
Battery power full indicator
No action required.
Battery power low indicator
When battery power indicator blinks, replace
all batteries with new ones.
Unstable blood pressure due
to excessive body movement.
Repeat the measurement and remain very still
during the measurement.
Pulse is not detected
correctly.
Repeat the measurement and remain very still
during the measurement.
Systolic and diastolic values
are within 10 mmHG of each
other.
Refasten the cuff and repeat the measurement
remaining very still during the measurement.
Pressure value did not
increase during inflation.
Check for air leaks along the tube and around
the air socket.
Cuff is not fastened correctly.
Refasten the cuff and repeat the
measurement.
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