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- Posts: 1
- Joined: Thu Aug 11, 2022 8:39 am
Our HPLC machine pump, model JASCO PU-2080, is displaying an error message reading "TROUBLE UNDER PRESS !!". The pump was left running at 1mL/min recycling mobile phase for 4 days until this message was noticed and it had been working normally in the days and weeks before this.
If anyone has a manual with a trouble shooting guide for this specific pump (ideally with the location of the specific components of the pump) or could give advice about how to fix the issue, it would be much appreciated. Many thanks.