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Thread: Cover Pump won't pump more than 2 seconds

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    Cover Pump won't pump more than 2 seconds

    We have a Rule Cover Pump that's been working perfectly until today. We had a decent rainstorm and saw that there was a few inches of water on our cover and wondered what happened. When we unplug and then plug the pump back in, it pumps water for about 2 seconds and then stops, as though it thinks there's nothing to pump, yet it's submerged in several inches of water. We've checked it out and can't see any clogs or similar problems so not sure what to do.

    It appears that this cover pump is no longer available, and since it's been in service for 6 years now, we figure we've gotten our money's worth.

    Any suggestions as to what we can try to do to get it working again? And if not, any recommendations for a replacement?
    Central Vermont
    Viking fiberglass in-ground pool, 13,700 gallons with Coverstar automatic cover
    Hayward MaxFloVS SP2303VSP pump with Pentair Rainbow Lifegard cartridge filter system
    Use a combo of BBB and pucks when we're away from home

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    wjr75's Avatar
    Join Date
    Jun 2013

    Re: Cover Pump won't pump more than 2 seconds

    Sounds like your diaphragm may be shot. Not sure if yours is separate or not and can be replaced but we have had good luck with the Little Giant pool cover pump. Little Giant 5-APCP Automatic Pool Cover Pump.
    Inground 22k gallon gunite 15x31 main pool, 15x7 wading pool/sunning deck, hot tub/with overflow (9' octagon with limestone top) & slide NSWG, Aqua Blue Pebble Sheen
    Filter dual cartridge Sta-rite 450sq/ft, TF-100 Test Kit
    Heater Raypak 2100 400k btu cupro-nickel exchanger
    Auto pool cover, Polaris 280 auto pool cleaner, Jandy AqualinkRS8 Remote Control System

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    TFP Guide

    Join Date
    Jul 2015
    Central Valley CA

    Re: Cover Pump won't pump more than 2 seconds

    Since you have nothing to lose I would pull it apart and see if you can tell how it senses water. I have an ice maker that I was able to fix by taking it apart and cleaning the 2 conductors it used to detect water. They got calcium deposits on them and that changed the resistance enough to stop it from working. There is a YouTube video on how to take a rule pump apart that one appears to be a manual not auto sensing but body may be the same.
    12,300 Gallon, IG PebbleFina, built Oct 2015, 3 ft sheer, 2 Jandy nicheless LED lights, Jandy Pro 1.5HP VS pump (A.O. Smith Motor), PB4-60 Booster pump, Polaris 280, Jandy cv340 cartridge filter, Zodiac z4 control panel W/iAquaLink, 10GPDStenner for chlorine, 3GPD Stenner for MA, TF-100.

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    TFP Guide
    bmoreswim's Avatar
    Join Date
    Jul 2012
    Central MD

    Re: Cover Pump won't pump more than 2 seconds

    Also love our APCP1700 Little Giant cover pump. I use it routinely during he winter to keep the water level correct. Can be fully submerged. I'd check YouTube for repair videos. Not sure what the problem might be.
    18'x38' Rectangle (3'-8 1/2' deep w/ diving board) - 27K gal. Saltwater w/ gray plaster
    Hayward equipment (cartridge filter, 2-speed pump, salt cell, automation) View Our Build
    Coverstar automatic pool cover | StoneMakers concrete retaining wall and decking
    Groundbreaking: 2/14/13 | Plaster: 5/21/2013 | First Swim: 5/30/2013

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    Re: Cover Pump won't pump more than 2 seconds

    The Rule senses water by turning on periodically and measuring the resistance of the impeller. If it senses low resistance, it assumes air and stops pumping. If higher resistance, it assumes water and continues to pump until the resistance drops.

    Sometimes an air bubble gets trapped in the impeller housing and causes low resistance.

    Sometimes wiggling the pump by the hose will dislodge the air bubble and get water flowing.

    You could try a Shop Vac on the garden hose end to get the water flowing.

    Check to make sure that the impeller and housing areas are clean and not clogged with debris.

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