EN
9. Troubleshooting
Trouble
Possible Reason
Solution
The SpO2 and Pulse
Rate can not be
displayed normally
1. The finger is not
properly positioned
2. The patient’s SpO2
is too low to be
detected.
1. Place the finger
properly and try
again.
2. Try again; Go to a
hospital for a
diagnosis if you are
sure the device works
properly.
The SpO2 and Pulse
Rate are not
displayed stably
1. The finger is not
placed inside deep
enough.
2. The finger is
shaking or the patient
is moving.
1. Place the finger
properly and try
again.
2. Calm thw patient
down
The device can not be
turned on
1. The batteries are
drained or almost
drained.
2. The batteries are
not inserted properly.
3. Malfunction of the
device.
1. Change batteries
2. Reinstall batteries.
3. Please contact the
local service center.
The display suddenly
turns off
1. The device will
power off
automatically without
signal within 5
seconds.
2. The battery is
almost drained.
1. Turn on the device
and insert finger.
2. Change batteries
10. Key of Symbols
Symbol
Description
Symbol
Description
Type BF applied
part
Menu/ Power button
Refer to
instruction
manual/booklet
Sound prompt on
%SpO2
Pulse oxygen
saturation (%)
Pulse sound on