EasyOne Pro™ / EasyOne Pro™ LAB
81
Quality Messages and Quality Grades
FRC(MBW) Error: No
start of washout
detected!
Multi Breath Washout not found.
Perform washout procedure cor-
rectly.
FRC(MBW) Error:
Error in Gas Signal
Delay Correction!
An error occurred during the auto-
matic determination of the delay
between gas signals and flow (i.e.,
the delay is not within the desired
range).
Check
FRC barriette™
position.
Contact service.
FRC(MBW) Error: Not
enough breaths for
washout computa-
tion!
The number of breaths required
for calculation of FRC was not
reached.
FRC test was stopped prematurely.
FRC(MBW) Error:
Error in Tracer Gas
Concentration!
The molar mass change caused by
the tracer gas does not corres-
pond to the theoretical values.
Check whether O2 is used.
Check gas connections for leaks.
Check
FRC barriette™
position.
FRC(MBW) Error:
Error in Alveolar
Curve Computation!
An error occurred during calcula-
tion of the alveolar gas curve
(from the first breaths of the
washout).
Check that the test is correctly
performed.
Check position of
spirette™
and
of nose clip.
Contact service.
FRC(MBW) Error:
DLCO Valve Unit NOT
mounted on handle
sensor!
Mount valve unit and repeat pro-
cedure.
Message
Criterion
Recommended action