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Table 6-1 EX3000 Anesthesia System Problem – Solution Matrix (continued)
No.
Problem
5
Needle on system
pressure gauge
(Figure 1-5, 3)
indicates a negative
pressure
6
Patient sleep level
seems too light
7
Patient sleep level
seems too deep
8
Breathing bag is
overly distended
9
Gas is flowing , but
breathing bag does
not inflate
Troubleshooting
Cause
a. Excessive
scavenger
system vacuum
b. Inadequate fresh
gas flow
a. Vaporizer is
empty
b. Anesthetic
concentration is
set too low
c. Leak in patient
breathing circuit
d. Excessive CO
2
build-up
e. Leak around the
vaporizer filler
port
a. Anesthetic
concentration is
set too high
b. Vaporizer
malfunction
a. Pop-off valve is
closed
b. Flow rate is set
too high
c. Scavenger
system suction is
set too low or is
occluded
a. Breathing bag is
punctured
b. Pop-off valve is
completely open
c. Scavenger
system suction is
set too high
Solution
Decrease scavenger system vacuum. Recommend
a scavenger interface valve to prevent removal of
patient gases. Also see items 9c and 10c.
Increase fresh gas flow rates.
Fill vaporizer with the appropriate anesthetic.
1. Press the anesthetic agent concentration
section (Figure 1-5, 2) on the touch screen.
2. Press
or
until the desired concentration is
displayed.
Perform a System Pressure Leak Test as specified
below.
1. Check CO2 absorbent and replace if necessary.
2. Check proper function of inspiration and
expiration valves (Figure 1-3).
1. Remove the filler plug.
2. Verify that filler plug o-ring is not damaged.
Replace if damaged.
3. Verify that filler plug o-ring is not obstructed by
animal hair, etc.
4. Screw in the filler plug hand tight into the filler
port to form a tight seal.
Reduce concentration of anesthetic on the system
touch screen.
Contact Vetland or your local dealer for servicing.
Open the pop-off valve
Decrease flow rate by pressing the green circle at
the base of the flowmeter on the touch screen and
press the decrease button
rate is displayed.
Increase vacuum flow for scavenger suction or
install a scavenger interface valve vented to
atmosphere.
Replace breathing bag and mount the new bag
securely on the bag mount (Figure 1-3, 13)
Turn the knob on the pop-off valve clockwise until
the bag starts to inflate.
Decrease scavenger system suction.
or
Install a scavenger interface valve vented to
atmosphere.
until the desired flow
6-3
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