«Main Cause»
Pump discharge pressure has fallen below the set min. pressure limit, [P.MIN]. Pumping will automatically stop.
«Countermeasure»
Flow line fluid leakage or aspiration of air bubble is cause. Inspection between flow line and mobile phase. If there is no abnormality, Settings the appropriate values in [P.MIN]. Note that [P.MIN] function is not activated for first one minute of pumping.