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directly on or into the device.
7.4
Trouble Shooting
Problem
Possible Cause
Solution
The device does not turn
on.
1. The battery may
be low.
2. The device might
be damaged
1. Charge the
battery and try
again.
2. Please contact
with your local
distributor.
Low battery indicator is
blinking
The battery is low.
Charge the
battery and try
again.
The ECG waveform
amplitude is small
The lead you
choose is not
suitable for you.
Change another
lead and try
again.
ECG waveform drifts
1. The pressure
exerted on the
electrode is not
stable or too much.
2. Hand or body
may be moving.
1. Hold the
device stably and
gently.
2. Try to keep
perfectly still and
test again.
SpO
2
or pulse rate shows
no value, or the number
fluctuates
1. Finger may not
be inserted
correctly.
2. Finger or hand
may be moving.
1. Remove finger
and reinsert, as
directed.
2. Try to keep
perfectly still and
test again.
The app cannot find the
device.
The Bluetooth may
not be turned on.
Turn on the
Bluetooth on the
second page of
Main Screen.
“SpO
2
cable failed” after
inserting SpO
2
cable.
The SpO
2
cable
might be damaged.
Please contact
with your local
distributor
“System Error” occurred.
Software or
hardware failure.
Restart the
device and
measure again.If
the error