Discussion Category:  LC-MS Systems

Reading "BAD" curtain gas

"BAD" curtain gas when sensor is jumped its ok but when i put a new sensor in still reads "BAD" curtain gas...
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Asked by

Pete Gurrieri
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LabWrenchManagerReply by
LabWrenchManager
Thanks for your question I was able to get the following information: The most obvious thing to check is that you have nitrogen going to the instrument at the proper pressure. Then, the sensor that you just installed may need to be adjusted. Underneath the yellow sticker on the sensor there is a little screw. Try adjusting that screw either direction to see if that clears the fault. If not, you may need a new gas controller. Are you sure you don't mean the exhaust is bad? It's been a long time since I worked on a 150 but I don't recall there being a "jumpable" sensor for the curtain gas. [b]Thanks to R. Kuntz for providing this answer.[/b]

Melanie Playne
LabWrench Product Manager

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LabWrenchManagerReply by
LabWrenchManager
In my experience a bad exhaust error can be solved by adjusting the exhaust gas flow (pressure) to the system. This also happens sometimes on the API4000 systems we use. [b]Thanks to C. Swaanen for providing this response to LabWrench. [/b]

Melanie Playne
LabWrench Product Manager

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