A&D TM-2440 Instruction Manual page 82

Code Meaning
Out of range,
30 ≦ PUL ≦ 200
Out of range,
30 ≦ DIA ≦ 160
Out of range,
60 ≦ SYS ≦ 280
Out of range,
10 ≦ PP ≦ 150
Measurement is
above 180 seconds.
Exhaust is above 90
seconds.
Heartbeat cannot be
detected.
The settings of the
interval time are
incorrect.
Zero pressure error
for safety circuit.
Cause and treatment
If these errors occur multiple times, try
another blood pressure measurement.
PP = SYS - DIA
#1
SYS : Systolic blood pressure
DIA : Diastolic blood pressure
Pulse pressure
PP :
#1
If the inflation speed or exhaust speed is
slow, an inspection is necessary.
The exhaust speed may be slow, an
inspection is necessary.
Heartbeat cannot be detected
because of body motion, etc.
Measure the blood pressure while
relaxed and do not moving.
If the interval time is set to 120 minutes,
the difference between last start time
and next start time cannot divide into
two hours perfectly.
Displays at the measurement start
time.
Release the air remaining in the cuff
completely.
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