If an external Patient Gas Analyzer is used (not
the one in FLOW-i), the sampling has to be
switched off in order not to remove gas from
the system. The Leakage check may otherwise
fail.
If the system has backup cylinders installed,
an extra check point appears on the screen.
Make sure these cylinders are open for the
duration of the System checkout.
If only the O
2
backup gas cylinder is used, the
Air and/or N
2
O backup gas cylinder pressure
check can be disabled in Service and Settings
– Startup configuration, see Chapter 9, page
178.
If any of the connected vaporizers contain
<5% of the total agent volume, the automatic
vaporizer test will not be initiated for that
vaporizer. A prompt window appears. Pressing
'bypass test' will exclude that vaporizer from
the check. Pressing 'redo test' will repeat the
test.
4.2.2 Gas sampling leakage
The 'sampling leakage alarm' responds to
amounts of leakage sufficient to interfere with
the gas sampling precision.
If the alarm is activated, perform any or all of
the following actions before contacting Maquet
service:
• Check the sampling line connections
• Check the patient tubing connections
• Replace the patient cassette
FLOW-i 4.2, User's Manual
51
| Startup and system checkout |
4 |
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