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Connecting a Dionex AS-AP autosampler to an ICS 2000

http://chromforum.org/viewtopic.php?t=129331

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Connecting a Dionex AS-AP autosampler to an ICS 2000

Posted: Tue Feb 24, 2026 9:01 pm
by bpjackso2
I'm trying to get the As-AP to work with the ICS 2000 under chromeleon ver 7.2. The AS appears to fill the loop (pushfill mode) but the injection valve on the ICS 2000 never switches. I have previously operated without an autosampler and used chromeleon to switch the valve to inject, that works fine. I feel like I'm missing something in the method script for the autosampler/ICS combo. I have added the AS-AP as a module and that seems good.
Any suggestions?

Re: Connecting a Dionex AS-AP autosampler to an ICS 2000

Posted: Tue Feb 24, 2026 9:42 pm
by John Guajardo
Hi, please go into your ICS-2000 options in the instrument configuration and ensure the valve is set to be controlled by the sampler.

See section 18.2, Figure 107 in the ICS-2000 operator manual for more details:
https://documents.thermofisher.com/TFS- ... 858-EN.pdf
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