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132 Accessories and options

fabian HFO | SW 5.1.x

Ref: 113003.EN / Date 2020-02-10

12.6.3 Erasing the FOT graph

The FOT Graph is cleared if any of the following actions are performed:

• a new FOT sequence is started,

• the device is restarted,

• the patient range is changed,

• device date / time is changed

12.6.4 FOT disabling conditions

FOT is turned OFF and cannot be re-enabled while any of the following actions occurs or alarms are

active:

Any system alarm:

• Air supply pressure

• Check Blender

• Exhalation calibration

• Oxygen supply pressure

• Tube Occlusion

Any flow sensor alarm:

• Clean flow sensor

• Flow sensor defect

• Flow sensor not connected

Disconnection / Tube blocked alarm:

• Check ET tube

• Patient disconnected

Any system failure:

• Checksum conductor PIC

• Checksum monitor PIC

• COM interface

• Cooling fan defect

• DIO interface

• I2C interface

• Input pressure blender

• Low physical memory

• parallel interface

• Safety relay defect

• SPI interface

• Voltage monitoring

Alarm actions:

• Applying Manual breath

• Applying or preset another ventilation mode

ACUTRONIC fabian HFO User Manual

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