User's Manual

22-26
Clinical Situation Possible Cause Solution
Alarm
Sounds
HIGH VALUES
OBSERVED
■ A span calibration was
performed while there
was a leak in the
sample circuit.
■ Check connections and check for a
broken water trap. Perform leak test.
Verify the anesthesia delivery
devices and vaporizer calibrations.
Refer to the 90518 Multigas
Analyzer Service Manual
(P/N 070-0643-xx) for details.
■ Assure vaporizer accuracy.
■ No
LOW VALUES OBSERVED ■ A leak exists at the
sample line
connection, a water
trap is broken at the
luer connection, or a
gas analyzer filter is
leaking.
■ Check connections and check for a
broken water trap. Perform leak test.
Verify the anesthesia delivery
devices and vaporizer calibrations.
Refer to the 90518 Multigas
Analyzer Service Manual
(P/N 070-0643-xx) for details.
■ No
■ Assure vaporizer accuracy. ■ No
Minimum waveform
deflection and very low or
zero numeric values when
breathing normally
through a new or unused
sample line
■ Clogged or missing gas
analyzer filter.
■ Replace or install gas analyzer filter
underneath the door above the
water trap.
■ No
■ A large leak in the
sample circuit.
■ Check connections and perform a
leak test. Refer to the 90518
Multigas Analyzer Service Manual
(P/N 070-0643-xx) for details.
■ No
MIX
NOTE: This message
appears in agent
numerics area.
■ Agent mixture
detected.
■ The analyzer is not designed to
simultaneously measure multiple
anesthetic agents. Inaccurate
numeric concentration values may
be displayed when two or more
agents are mixed.
■ No
■ The displayed value of the mixed
condition is based on the combined
value of agents using the coefficient
factors of the last detected or
selected agent type.
■ No