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5 Troubleshooting and Maintenance
5.1 Maintenance
Replace the batteries in a timely manner, if the battery
indication is low. Clean the surface of the oximeter before it is
used for diagnosis of patients. Remove the batteries from the
battery compartment if the oximeter will not be operated for a
long time. It is best to store the product where the ambient
temperature is between -25°C and 55°C and humidity is 15%
to 93%. Regular inspection is recommended in order to make
sure that no obvious damage is present that may affect the
safety and performance of the device. Do not expose the
device to flammable substances, high or low temperatures or
humidity levels outside those in the operation conditions.
5.2 Troubleshooting
Problems
Oxyhemoglo-
1. Finger is not inserted
bin or heart
correctly.
rate cannot
2. Patient's perfusion is too
be shown.
low to be measured.
Oxyhemoglo-
1. Finger might not be inserted
bin or heart
correctly.
rate is
2. Finger is trembling, or
unstable.
patient's body is moving.
Table 5: Troubleshooting
Possible Reason
Resolutions
1. Retry by inserting the finger
thoroughly.
2. Try a few more times to
make sure there is no problem
with the product itself.
Otherwise seek medical help
for exact diagnosis.
1. Retry by inserting the finger
thoroughly.
2. Try to help the patient keep
calm and still.
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