My wife asked me to set the spa to a low heat setting as it's getting cooler now. The filter pump was running its normal schedule and was turned on. Using the Pentair EasyTouch remote I put the system in spa mode and was able to set the temp as I normally would. I then turned the spa mode off and noticed that the vacuum did not resume moving. Eventually the filter pump shut itself off. I think I have a stuck valve and the filter pump has a safety shutoff? I recall that the valve below would automatically rotate when going in and out of spa mode. I tried to turn the valve manually but was not able to. Is there a way to manually move these to get them unstuck? The valve is only about 4 years old. Is there some maintenance I should be doing? Thanks for any input. I'm slowly learning how all this pool equipment works and lucky for me my pool keeps giving me learning opportunities. ??