9 Anesthetic Gas Module Troubleshooting the Anesthetic Gas Module
210
INOPs
Check out the possible problems in the order given in the following table.
INOP Possible Problem/Cause Corrective action
GA. NOT
AVAILABLE
AGM not switched on.
AGM not properly connected.
Switch on AGM
Check physical connections.
GA
INCOMPATIBLE
This version of the AGM is
incompatible with the monitor
Disconnect AGM.
GAEQUIP MALF Either AGM - monitor connection
problem, serious problem with a
subassembly or Main PC Board
problem
Serious IR measurement head
problem.
Check RS232 connection, RS232
cable and MIB board of monitor. If
ok, check whether status (“OK” or
“PROBLEM”) is shown in AG Diag
Window. If yes, troubleshoot
subassemblies according hierarchy. If
status “UNKNOWN” is shown for
all assemblies for more than 4 min.
after Power On, replace main pcb.
Check IR head and replace it if
necessary, check whether Service
Note M1026A-035 applies.
GAS OCCLUSION External occlusion (inlet or exhaust
accessories).
Internal occlusion.
Weak/defective pump.
Leakage between pump and flow
restrictor
Flow transducer incorrectly
connected to flow restrictor
Disconnect all external tubing/filters
and check whether occlusion
disappears.
Troubleshoot internal occlusion and
remove it.
Perform pump test (provided in PM
Kit M1026-60132), replace it if
necessary.
Check pneumatic path between
pump and flow restrictor tubing for
leakages.
Check that the transducer ports A
and B on the Main PC board are
connected to the correct side of the
flow restrictor (Figure 1-2)
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