ICP - SPS4 Autosampler reservoir beeing drained faster than replenished

Hi,

sometimes the washing solution cylinder in the SPS4 runs empty during a run/ the washing solution is drained faster then beeing replenished.

We can not set the SPS pump to fast during a run. 

The SPS pump stops when ICP samples are beeing measured and only runs when the needle is in the reservoir.

Can you make the pump constantly run or set the pump to always run fast? We did not find any of these options in the software.

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