Fault Diagnosis
Problem
Possible reason
Solution
SpO
2
or PR is
1. Finger is not inserted correctly
1. Re-insert the finger
not displayed
2. Patient’s SpO2 value is too low
2. Re-try several times, if no problem with the product
then go to a hospital for exact diagnosis
SpO
2
or PR rea-
1. Finger is not inserted correctly
1. Re-insert the finger
ding is unstable
2. Excessive patient movement
2. Restrict patient/ oximeter movement
The Oximeter can 1. No battery or low power of battery
1. Replace batteries
not be powered on 2. Batteries might be installed incorrectly
2. Reinstall batteries
3. The Oximeter might be damaged
3. Contact with local customer service centre
Display suddenly 1. The oximeter will automatically power off when 1. Normal
turns off
no signal is detected longer than 8 seconds
2. Battery power is low
2. Replace batteries
“Error3” or
1. Low power
1. Change new battery
“Error4” is
2. Receiving tube being shielded or damaged
2. Please contact with local customer service centre
displayed
3. Mechanical misplace for receive-emission tube
on screen
displayed together with broken connector.
3. Please contact with local customer service centre
4. Amp circuit malfunction
4 Please contact with local customer service centre
“Error7” is
1. Low power
1. Please change battery
displayed
2. Emission tube damaged
2. Please contact with local customer service centre
on screen
3. Current control circuit malfunction
3. Please contact with local customer service centre
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