6-5
I4-1
OPERATOR’S MANUAL FOR INFANT INCUBATOR
EDITION/REVISION B/0
6.7 MAINTENANCE
A. Oxygen concentration sensor
When the oxygen concentration lifetime is in due, replace it even it is workable to ensure the
varacity of the detecting value. That is because:
The detecting accuracy of oxygen concentration sensor is influenced by the electrolyte inside
the sensor modular, and the electrolyte will be consumed along with the working time. So using
the over lifetime oxygen concentration sensor will result in wrong detected value.
B. Troubleshooting
Roubleshooting of the oxygen concentration sensor is presented in the following table. If the
fault cannot be localized from the table, the unit should be removed from service and servicing
should be referred to our company or authorized and qualified service personnel.
SYMPTOM POSSIBLE CAUSE REMEDY
No indication of oxygen
concentration value
Not install the oxygen sensor install the oxygen sensor
Please calibrate the oxygen
sensor again
The “Alarm” light will
flash, and the Message
indicator will show “High
Oxygen”
Displayed oxygen concentration
too high
Adjust the proper oxygen flow
Please calibrate the oxygen
sensor again
Displayed oxygen concentration
too low
Adjust the proper oxygen flow
The “Alarm” light will
flash, and the Message
indicator will show “Low
Oxygen”
Open the access door Close the access door
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