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NOTE
z After an O2 sensor is configured, if the FiO2 value is displayed as [---], make sure
that O2 sensor software function is loaded already. Then check the electrical
connection of the O2 sensor. If [O2 Sensor Unconnected] or [Replace O2 sensor] is
alarmed, usually, the problem lies in the electrical connection of the O2 sensor.
Refer to 5Troubleshooting to troubleshoot the problem.
z After adding or replacing an O2 sensor, calibrate the O2 sensor at 21% O2 and
100% O2. For details, refer to the section about O2 sensor calibration.
4.4.6 Select the Drive Gas
NOTE
z After upgrading the system software or replacing the main control board, select the
applicable drive gas based on the drive gas configuration of the equipment. The
default drive gas is O2.
After the system software is upgraded and the main control board is replaced, the service
engineer needs to set up the type of drive gas again based on the drive gas configuration of
the anesthesia machine.
To set drive gas:
1. Check the factory configuration table or machine label to confirm the drive gas
configuration of the anesthesia machine. If the machine is driven by air, “AIR DRIVE”
can be seen above the gas supply inlet assemblies or between the system switch and O2
flush button. If the machine is driven by O2, no such label can be seen.
2. After confirming drive gas, select the [Maintenance] shortcut key → [Factory
Maintenance >>] → [System Setup >>] → [Drive Gas] to select the applicable drive
gas.
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