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ERROR INDICATORS
SYMBOL CAUSE CORRECTION
Abnormal
unit function.
Repair service required.
Refer to “warranty
information” on page 22.
20
TROUBLESHOOTING TIPS
PROBLEM CAUSE
No display appears on the unit
when the START/STOP button
is pressed.
Replace worn batteries.
Check the battery installation for
proper placement of the battery
polarities.
Measurements values appear
too high or too low.
Blood pressure reading varies
constantly. Many factors
including stress, time of day,
how you apply the cuff, may
affect your blood pressure
reading. Review the sections
“Before Taking a Measurement”,
“Applying the Wrist Cuff” and
“Taking a Measurement”.
HEM-650-IM-US-8012 12/7/05 10:22 AM Page 20