It is usually caused when the
airway adapter is removed from
the sensor or when there is an
optical blockage on the
windows of the airway adapter.
It may also be caused by
performing false Zero When
adapter type is changed.
If there is obvious sticky material or
moisture on the air adapter, please clean it
before calibrating zero.
Barometric Pressure or gas
compensations have not been set
after power on.
Set the Barometric Pressure and gas
compensations to clear this error.
Prompt message:
A Zero is currently in progress
It shows that the sensor is in warming-up stage.
CO
2
Sample Line Disconnected
This is no sidestream sampling set connected to the CO
2
sensor