Quality Messages and Quality Grades
94 EasyOne Pro™ / EasyOne Pro™ LAB
FRC(MBW) Warning:
Side-Stream Flow out
of range!
During the test, the gas extraction
was not within the limits of 7.5
and 13 ml/s.
Contact service.
FRC(MBW) Warning:
CO2 sensor scaling
warning!
Automatic scaling of the CO
2
sig-
nal failed.
Contact service.
FRC(MBW) Warning:
Tracer concentration
at test end too high!
No breath with an N
2
concentra-
tion below 2% was measured.
Repeat test.
FRC(MBW) Warning:
Perform deeper
breaths (too small
tidal volume)!
Tidal volume outside 4 to 30 mL/
kg body weight or outside 0.25 to
0.3 L if the body weight is not sta-
ted
Ask patient to breathe regularly
and calmly
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.
Message Criterion Recommended action
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