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7. Repair and Maintenance
A. Please change the batteries when the low-voltage indicator lightens.
B. Please clean the surface of the device before using. Wipe the device with alcohol first, and
then let it dry in air or wipe it dry.
C. Please take out the batteries if the oximeter will not be used for a long time.
D. The best storage environment of the device is -20ºC to 55ºC ambient temperature and
10% to 100% relative humidity.
High-pressure sterilization cannot be used on the device.
Do not immerse the device in liquid.
It is recommended that the device should be kept in a dry environment. Humidity may reduce
the useful life of the device, or even damage it.
8. Troubleshooting
Trouble
The SpO2 and
Pulse Rate can
not be displayed
normally
The SpO2 and
Pulse Rate display
instable
The device can
not turn on
The indicator
light
is
off
suddenly
Possible Reason
1. The finger is not properly
positioned.
2. The patient's SpO2 is too low to
be detected.
1. The finger is not placed inside
enough.
2. The finger is shaking or the
patient is moving.
1. The batteries are drained or
almost drained
2. The batteries are not inserted
properly.
3. The device's malfunction
1. The device will power off
automatically when it gets no
signal for 8 seconds.
ENGLISH
Solution
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 all right.
1. Place the finger properly and
try again.
2. Let the patient keep calm
1. Change batteries.
2. Reinstall batteries.
3. Please contact the local service
center.
1. Normal.
2. Change batteries.