If it is running small amounts of water to the drain when it is in service position this means you have a bad seal pack and it needs to be replaced. The "sealpack" is the main piston and seals that control the hydraulics of the valve. When water runs to the drain constantly either the piston is jammed (which would show an error code) or there is a bad seal causing water to get by. I suggest calling Culligan or if you are handy you can do this yourself. You need a sealpack and refill piston. It takes about 20 minutes. The kit is available from Culligan.
RJ
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