Why is the turbomolecular pump not operating when using Orbitrap Exactive or Q Exactive mass spectrometry instruments?
<p>A turbomolecular pump may be switched off because of one of the following reasons:<br/><br/> - Turbomolecular pump is blocked<br/> - Failure of fans in turbomolecular pump<br/> Each of the above reasons might lead to an overheating of the pump. When overheated, a turbomolecular pump switches off automatically to prevent its destruction. This overheating protection prevents the outbreak of a fire and minimizes the risk of destructing the pump.<br/><br/> If the Exactive Series mass spectrometer does not work as expected, use the Tune software for error diagnosis:<br/> - The instrument status window displays real-time status information for the instrument components. All parameters are arranged in a tree view. In addition to showing numerical values of parameters (for example, pump speeds or component temperatures), the instrument status window uses icons to indicate the statuses of system components.<br/> - The messages window displays real-time information about the statuses of the instrument, the control service, or other programs. It might display additional information.<br/><br/> In case of an overheated turbomolecular pump, shut down the mass spectrometer as described on page 6-8 of the manual (https://assets.thermofisher.com/TFS-Assets/CMD/manuals/man-bre0012255-exactive-series-manbre0012255-en.pdf). To prevent permanent damage to components of the Exactive Series mass spectrometer, Thermo Fisher Scientific recommends that you call a Thermo Fisher Scientific field service engineer. <br/><br/>Find additional tips, troubleshooting help, and resources within our <a href="https://www.thermofisher.com/us/en/home/technical-resources/technical-reference-library/mass-spectrometry-support-center.html?icid=faqsc39">Mass Spectrometry Support Center</a>.</p>
