Question about Pentair 3hp Whisperflo Pool Pump In - Ground

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Pump works in spa mode, but doesn't work in pool mode. Why?

I have a strange problem. We have a complete Pentair system that is less than 2 years old. Love it! As of last night, the Pentair 4 160 pump will only come on in spa mode and not in pool mode. Strange. The booster will run when the Cleaner is on, but the main intelliflo won't. What could be the problem?

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We need more info. Which control system is it? Suntouch, easytouch, intellitouch.......? It sounds like a programming problem in the controller.

Posted on Jun 26, 2009

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My Pentair pump is just 2 years old and it was working good yesterday I turned off I turned it on in now it humms for a minute or 2 then it just turns off completely how do I fix this

motors that hum indicate 2 things
seized pump or failed start /run capacitor
as it was running recently I would be checking the capacitor
the stopping altogether may be the thermal overload switch cutting in because of the high current draw from the failed capacitor

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My 3 year old pool pump whisperflo is running a louder. What do I need to check?

Loud operation is an indication that the bearings need replacing. A local small motor repair shop can probably get it done for $70 or less. Call around...

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I have a challenger pool pump that has a very high pitch sound

The motor bearings are probably starting to fail. If you winterize the pool I would take the motor portion off the pump and have a local electric motor repair shop look at it. A simple bearing change and new pump seal would run $50 or less at most places. If not, shock the pool and run the pump overnight to balance the water and then pull the motor for the repair. It will probably only take a day or so for it to be completed.

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