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11. 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 MEASURE-
MENT” 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 arrhy-
thmia to use this Electronic Sphygmomanometer
12. TROUBLESHOOTING (2)
PROBLEM
POSSIBLE CAUSE
SOLUTION
LCD shows low bat-
tery symbol
Low Battery
Change the batteries
LCD shows “Er 0”
Pressure system is unstable before measurement
Don’t move and try again
LCD shows “Er 1”
Fail to detect systolic pressure
LCD shows “Er 2”
Fail to detect diastolic pressure
LCD shows “Er 3”
Pneumatic system blocked or cuff is too tight
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 or cuff is too loose
during inflation
LCD shows “Er 5”
Cuff pressure above 300mmHg
Measure again after five minutes.
If the monitor is still abnormal,
please contact the local distributor
or the factory
LCD shows “Er 6”
More than 3 minutes with cuff pressure above 15 mmHg
LCD shows “Er 7”
Inner memory error
LCD shows “Er 8”
Device parameter checking error
LCD shows “Er A”
Pressure sensor parameter error
No response when
you press button or
load battery.
Incorrect operation or strong electromagnetic
interference
Take out batteries for five minutes,
and then reinstall all batteries
MAINTENANCE
1. Do not drop this monitor or subject it to strong impact.
2. Avoid high temperature and solarization. Do not immerse the monitor in water as this will
result in damage to the monitor.
3. If this monitor is stored near freezing, allow it to acclimate to room temperature before use.
4. Do not attempt to disassemble this monitor.
5. It is recommended the performance should be checked every 2 years or after repair. Please
contact the service center.
6. Clean the monitor with a dry, soft cloth or a soft cloth squeezed well after moistened with
water, diluted disinfectant alcohol, or diluted detergent.
7. No component can be maintained by user in the monitor. The circuit diagrams, component
part lists, descriptions, calibration instructions, or other information which will assist the
