bellaireoaks Posted May 28, 2009 Share Posted May 28, 2009 My return pump keep turning off and on for some reason. Is it defective or something is happening? Is my water level in my sump to low? the pump stop for about five minutes and turn back on for three minutes. Link to comment Share on other sites More sharing options...
caferacermike Posted May 28, 2009 Share Posted May 28, 2009 Sounds to me like it's going bad. Many pumps have a thermal overload in them that shuts them down if they get to hot and they will restart when cooled. You might remove the impeller to make sure that it's not debris. Link to comment Share on other sites More sharing options...
prof Posted May 28, 2009 Share Posted May 28, 2009 Take it apart and clean the impeller. What kind of pump is it? When impeller pumps run dry they can destroy their own impeller's. Usually it will start to fail because the built-in O rings on the impeller will swell from the heat. I would be prepared to buy a new pump or at least a new impeller. Link to comment Share on other sites More sharing options...
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