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PROBLEM
LCD shows low battery
symbol
No response when you
press button or load
battery
LCD shows "Er 0"
LCD shows "Er 1"
LCD shows "Er 2"
LCD shows "Er 3"
LCD shows "Er 4"
TROUBLESHOOTING 2
POSSIBLE CAUSE
Low Battery
Incorrect operation or strong
electromagnetic interference
Pressure system is unstable
before measurement
Fail to detect diastolic pressure
Fail to detect systolic pressure
Pneumatic system blocked or
cuff is too tight during inflation
Pneumatic system leakage or
cuff is too loose during inflation
-22-
SOLUTION
Change the batteries
Take out batteries for five
minutes, and then reinstall
all batteries.
Don't move and try again
Apply the cuff correctly and
try again
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