16
TOPCOM BD-4620
17 Exceptional situations
17.1 Error Indicators
17.2 Eliminate fault
Symbol Cause Correction
Err The course of inflating
appears error.
Wrap the cuff correctly and tightly.
Inflate over again after ensuring.
When measurement fails. Do not move your arm and body,
and keep quiet.
Measure over again according to
correct way.
Lo When the batteries
power are too low.
Replace both of the worn batteries
with two new ones.
Problem Causes and Solutions
No power. Replace both of the worn batteries
with two new ones.
No display appears on the
display screen.
Check the battery installation for proper
placement of the batteries polarities.
Measurement values
appear too high or too low.
Blood pressure varies constantly. Many
factors including stress, time of day, how
you wrap the cuff, may affect your blood
pressure. Review the sections "Proper
Way of Measurement" and "Take a
Measurement".
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