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Chapter18 Error Message
Error message will be displayed in the screen if there is something wrong when measuring. The
causes and solutions are shown as follows:
Error Message Causes Solutions
Self-test failure
System failure
Function abnormal Please contact us
Loose cuff
Cuff is not connected
correctly.
Correctly connect cuff (refer to 8 page)
Air leakage Cuff plug fall off
Make sure the cuff plug is securely
inserted in the windpipe (refer to 8 page)
Air pressure error Air pressure error Refer to the troubleshooting
Weak signal
The pulse signal is too weak
or the cuff is loose.
Correctly connect cuff (refer to 8 page)
overpressure Cuff is blocked or squeezed Correctly connect cuff (refer to 8 page)
Excessive movement
Over range
Saturated signal
The signal extent is too big
owing to the arm or body
moving or other reasons when
measuring
Keep arm, body still, measure again
Time out It takes too much time
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