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