TROUBLE SHOOTING
Problem
Display shows an
abnormal result
Display is blank when
power is on
No response when
STOP/START is pressed
or when new batteries
have been loaded
22 • ENGLISH
Possible Cause
Cu position was not correct or was
not tight enough
Body posture was not correct during
measurement
Speaking, excessive movement, angry,
excited or nervous anxiety during
measurement
Batteries may be expired or installed
improperly
Incorrect operation; possible strong
electromagnetic interference
Solution
Apply the cu properly and attempt a new
measurement
Review the 'Taking a Measurement' portion of
this manual and attempt a new measurement
Wait a period of time and attempt a new
measurement after calm has returned; do not
speak or move during measurement
Check the polarity of the batteries and reinstall if
necessary; replace batteries with new batteries
Remove batteries and wait a minimum of ve
minutes; reinstall batteries and attempt a new
measurement