23
Table 6-1
R640-S1 anesthesia system
: Problem – Solution Matrix (continued)
No.
Problem
Cause
Solution
10
No gas flow
a. Facility or cylinder
gas supply valve
is closed
Open gas supply valve.
b. Gas cylinder is
empty
Replace empty gas cylinder.
c. Gas supply hose
is disconnected
1. Ensure gas supply hose is connected to
the cylinder or facility gas system.
2. Ensure the gas supply hose is securely
connected to the anesthesia system.
d. Oxygen flow
control turned off
Turn the flowmeter valve knob
counterclockwise to increase the oxygen
flow rate.
e. Gas supply
regulator malfunction
Connect the system to an alternate oxygen
supply.
11
Gas flow is not
sufficient
a. Oxygen flow is set
too low
Turn the flowmeter valve knob
counterclockwise to increase the oxygen
flow rate.
b. Leak around
vaporizer inlet
port
1. Make sure the sealing cap at the inlet
port is fully closed.
2. Verify that inlet port is not obstructed
by animal hair, etc.
c. Leak in animal
breathing circuit
Check all hoses connections, particularly
around mask or endotracheal tube.
d. CO2 absorbent
canister is leaking
1. Shut down the anesthesia system.
2. Remove the absorbent canister.
3. Remove any absorbent granules that are
lodged between the canister and sealing
gasket.
4. Reassemble the vaporizer.
12
Oxygen flush
button sticks
Valve inside
malfunctions
The valve requires cleaning or
replacement. Contact RWD or local dealer
for servicing.
13
Float in oxygen
flowmeter sticks
Dirty flow tube
Flow tube needs cleaning.
14
Oxygen flow
control
valve knob is hard
to
turn
Dirty or damaged
needle valve
Flow valve needs cleaning or replacement.
Contact RWD or local dealer for
servicing.
15
Oxygen flow failure
Internal fault
Contact RWD or local dealer for
servicing.
16
Audible leakage
around oxygen hose
connector
a. Loose oxygen
hose connection
Tighten the connection with a crescent
wrench.
b. Tube does not fit.
Replace the tube.
