No flow at all from HTEC-500/510 pump

If the pump pressure reading is zero or nearly zero, there is a possibility that the tubing or degasser located upstream of the HPLC pump has been clogged. Please try to connect a disposable syringe to the degasser outlet using a degasser syringe adapter and aspirate with DI water. If water is coming into the syringe, please check the flow of the pump.  If there is no/little flow from the degasser, please see our article on how to handle a clogged degasser.

Derek is the author of this solution article.

Did you find it helpful? Yes No

Send feedback
Sorry we couldn't be helpful. Help us improve this article with your feedback.