19
Factors caused low SpO2 Measuring value (pathology reason)
- Hypoxemia disease, functional lack of HbO2.
- Pigmentation or abnormal oxyhemoglobin level.
- Abnormal oxyhemoglobin variation.
- Methemoglobin disease.
- Sulfhemoglobinemia or arterial occlusion exists near sensor.
- Obvious venous pulsations.
- Peripheral arterial pulsation becomes weak.
- Peripheral blood supply is not enough.
8. TROUBLESHOOTING
Trouble Possible Reason Solution
The SpO2 and
Pulse Rate can
not be displayed
normally.
1. The nger is not
properly positioned.
2. The patient’s SpO2 is
too low to be detected.
1. Place the nger
properly and try again.
2. Try again; Go to a
hospital for a diagnosis
if you are sure the device
works all right.
The SpO2 and
Pulse Rate
display instable.
1. The nger is not
placed inside enough.
2. The nger is shaking
or the patient is moving.
1. Place the nger
properly and try again.
2. Let the patient keep
calm.
The device can
not turn on.
1. The batteries are
drained or almost drained
2. The batteries are not
inserted properly.
3. The device’s
malfunction
1. Change batteries.
2. Reinstall batteries.
3. Please contact the
local service center.
The indicator light
is off suddenly.
1. The device will power
off automatically when
it gets no signal for 8
seconds.
2. The batteries are almost
drained.
1. Normal.
2. Change batteries.
ENGLISH