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Troubleshooting
SYMBOLS/SYMPTOMS
CONDITIONS/CAUSES
INDICATION/CORRECTION
Unit does not turn on
when
button is
pushed.
Worn-out batteries.
Replace them with 2 new AAA
(LR03) alkaline batteries.
Battery polarities have been
positioned incorrectly.
Re-insert the batteries in the
correct positions.
Measuring Error Symbol
appears when blood
pressure value displayed
is excessively low or
high.
Cuff has been placed incorrectly.
Wrap the cuff properly so that
it is positioned correctly.
Did you talk or move during
measurement?
Measure again. Keep arm
steady during measurement.
Shaking of the arm with the cuff
on.
Measuring Error Symbol
Air circuit abnormality. Cuff tube
may not be plugged into monitor
correctly.
Check cuff connection.
Measure again.
Measuring Error Symbol
Inflation pressure exceeding
300 mmHg.
Switch the unit off, then
measure again.
Measuring Error Symbol
Error determining measurement
data.
Measure again.
Fail Connection
Error Symbol
HL158HD cannot connect to
Bluetooth-enabled device over
45 seconds.
Please refer to
Page 21 “Bluetooth
Transmission” to retry again.
BPM cannot
communicate with
Bluetooth-enabled
device
Bluetooth-enabled device does
not pair with BPM or pair with a
wrong device.
Please re-pairing the BPM and
Bluetooth-enabled device with
each other.
Bluetooth function is not turn
on.
Please press and hold
button for 3 seconds
under sleep mode.
The distance between BPM and
Bluetooth-enabled device is out
of transmitting range.
Please make sure the
acceptable distance (
≦
10
meters) with each other.
Use an incompatible
Bluetooth-enabled device.
Please refer to
Page 15 “Bluetooth
compatibility” &
Page 27
"RF Specification”
Use non-Bluetooth-enabled
device.
Unexpected loss of
electrical/mechanical integrity.
Re-insert the batteries and try
again.
Return the device to
your local distributor
or importer.
Note: If "EP" appears on the display, just return the device to your local distributor or
importer.
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