DN:KD-752-SMSY01 V1.0 Operation Guide
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12. TECHNICAL ALARM DESCRIPTION
The monitor will show 'HI' or 'Lo' as technical alarm on LCD with no delay if the determined
blood pressure (systolic or diastolic) is outside the rated range specified in part
SPECIFICACIONS. In this case, you should consult a physician or check if your operation
violated the instructions.
The technical alarm condition (outside the rated range) is preset in the factory and cannot be
adjusted or inactivated. This alarm condition is assigned as low priority according to IEC
60601-1-8.
The technical alarm is non-latching and need no reset. The signal displayed on LCD will
disappear automatically after about 8 seconds.
13. TROUBLESHOOTING (1)
PROBLEM
POSSIBLE CAUSE
SOLUTION
LCD Display shows
abnormal result
The cuff position was not correct or
it was not properly tightened
Apply the cuff correctly and try
again.
Body posture was not correct during
testing
Review the “BODY POSTURE
DURING
MEASUREMENT”
sections of the instructions and
re-test.
Speaking, arm or body movement,
angry, excited or nervous during
testing
Re-test when calm and without
speaking or moving during the
test.
Irregular heartbeat (arrhythmia)
It is inappropriate for people with
serious arrhythmia to use this
Electronic Sphygmomanometer.
14. TROUBLESHOOTING (2)
PROBLEM
POSSIBLE CAUSE
SOLUTION
LCD shows low battery
symbol
Low Battery
Change the batteries
LCD shows “Er 0”
Pressure system is unstable
before measurement
Don’t move and try again.
LCD show
s “Er 1”
Fail to detect systolic pressure
LCD shows “Er 2”
Fail to detect diastolic pressure
LCD shows “Er 3”
Pneumatic system blocked during
inflation
Connect the cuff correctly
and try again. If the monitor
is still abnormal, please
contact the local distributor
or the factory
.
LCD shows “Er 4”
Pneumatic system leakage
during inflation
LCD shows “Er 5”
Cuff pressure above 300mmHg
Measure again after five
