TROUBLE SHOOTING (2)
Abnormality
Reason
Checkout
LCD shows “Er U”
Insufficient inflation
Wait for 5 minutes and re-measure.
LCD shows “Er H”
Inflation over 305 mmHg
If operation is still abnormal, contact
manufacture or agent (see the last page)
LCD shows “Er 1”
Undetectable pulse
LCD shows “Er 2”
Radiation interference
Move away from radiation source
LCD shows “Er 3”
Measured result appears wrong
Measure again
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