I can get it to re-prime but the alarm comes on again. How can I fix this problem?
Turn off breaker to pump for a few minutes, then back on this will reset your alarm. If the problem returns ,check other posted solutions. In a few weeks i may have location of someone who repairs circuitboards for pentair pumps, as i am having one repaired now due to lightning hit.
SOURCE: I have a Pentair Intelliflo pump system and lately
Your pipe could be clogged or you may have a clog in the impeller. Check the pump basket and if it is cracked then it is probally in the impeller and you may be able to reach it with a screwdriver and needlenose. If you have a crack in the skimmer basket it could be in the line and you can check this by putting a kitchen sponge in the skimmer and if it comes out in the pump the line is clear. If it is clogged you may be able to clear it with a flush bag you can get at any hardware store. If that dosn't do it you will need to get a pro. Good luck.
SOURCE: I have a Pentair Intelliflo pump system and lately
It sounds to me that your diffuser oring needs to be replaced. This is a common problem with that pump. The oring stretches out or breaks and this will keep the pump from creating a vaccum. This is easy to check. Shut the power off to the pump. Remove 6 bolts holding the seal plate together (do not remove the bolts that mount the motor to the pump). Their will be 2 bolts at top and bottom on each side of the seal plate that have no nuts and two bolts in the middle on each side of the seal plate that have nuts. Grab the motor and pull it away from the pump. You will see a cone on the front of the assembly. Check the oring and make sure it fits snug around the cone. If not, replace the oring. This is most likely what is wrong with your pump.
SOURCE: I have intelliflo VS+SVRS pool
There is either something blocking the suction side of this pump (blocked valve, strainer, strainer basket, leaves on main drain.) or the pump is not getting primed in the aloted amount of time. You can increase the priming time on the pump, or manually prime it, or just turn off the svrs feature temporarily until you get a good prime again. If you need the manual to figure out how to do these things, here is the link.
http://www.pentairpool.com/pdfs/IntelliProVS+SVRSOM.pdf
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