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