Instruction Manual

5. Troubleshooting
Trouble Possible Reason Solution
The equipment can’t
be turned on.
The battery is
depleted or almost
depleted.
Please replace
batteries.
The battery installa-
tion is incorrect.
Install the battery over
again.
The device is
damaged.
Please contact product
distributor.
The Spo2 and PR are
not displayed normally
The finger size is too
big or small.
Select the suitable
size finger to measure.
Excessive ambient
light.
Aviod excessive ambi-
ent light irradiation.
User's blood perfusion
is very low.
Warm the finger and
try again.
The display shuts off
suddenly.
The equipment
automatically shuts
down in 8 seconds
when there are no
correct physiological
signals.
Normal.
The battery is
depleted.
Replace batteries.