b) From GC-2010/2014 front panel: Press SYSTEM (above the screen), then PF1 (below the screen)
to stop.
c) From GC-2030 front panel: press the home button then press “GC stop sequence” to
open the menu and “stop GC” to stop the system.
Step 2: Wait for GC to cool down
It’s important to wait till the system is completely cool before turning off gas flow.
Turning off carrier gas flow while the GC is still hot could damage the column and some
detectors. We recommend that all temperature zones be below 50°C before the gas is
turned off.
Step 3: Protect the ECD detector (Go directly to Step 4 if no ECD is installed)
The safest solution to keep atmospheric gases from entering the ECD detector is a build
in bypass for the make-up gas in the GC system, which always keeps a minimal
protective gas flow through the detector even if the GC is electrically switched off.
This bypass is always present on the GC-2030 and is an optional part for the GC-2010
and GC-2010Plus. If your instrument has a bypass for the ECD make-up gas, just make
sure that the cut-off valves and regulators for the make-up gas stay opened so the gas
can flow.
If you are unsure if you have a bypass option, please contact your local Shimadzu
distributor first and ask for clarification.
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