LCD Display shows
abnormal result.
No response when
you press button or
load battery.
The cuff position was
not correct or it was not
properly tightened
Body posture was not
correct during testing
Speaking, arm or body
movement, angry, excited
or nervous during testing
Incorrect operation, or
strong electromagnetic
interference
Apply the cuff correctly and try again
Review the body posture and testing
sections of the instructions and
re-test.
Re-test when calm and without
speaking or moving during the test
Take out batteries for five minutes,
and then reinstall all batteries.