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post #1 of 12 Old 05-19-2012 Thread Starter
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Shower sump pump failure

We have a Beneteau 40, 2008, we discovered after in water storage this winter that our shower sump pump did not work. The manual override switch does turn the pump on (a Whale Gulper 220) so we assumed it was the float switch a (tank sensor) a rather exotic device that we ordered from Beneteau. We got the part and hooked it up and still the pump will not turn on. We tried jumping the terminal from the float switch, to no avail. Now we think it may be the chip itself which is encased in a plastic box a SCHEIBER ref.36.16112.00 COMMAND DE POMPE 12V POUR BAC A DOUCHE (photo attached), before we order yet another part, does anyone have any ideas as to what may be going on here. thanks.
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post #2 of 12 Old 05-19-2012
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Re: Shower sump pump failure

Have you confirmed that power is getting to the float switch?

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Re: Shower sump pump failure

Hi, there is a brown and blue wire that are coming from the float switch (sensor) to the box (shown coming in off the bottom). We believe that when the float switch moves up (from water in the shower basin) it completes the circuit. We know there is power coming to the box as the manual switch (the black one) turns the Whale Pump on. We have jumped the two terminals for the brown and blue wires and it did not turn it on therefore we believe the chip in this plastic sealed box may have been damaged over the winter as it worked fine last fall.
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post #4 of 12 Old 05-19-2012
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Re: Shower sump pump failure

Which wire is power to the switch? Have you checked it for voltage?

Brian
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post #5 of 12 Old 05-19-2012
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Check the joker valves in the pump body for hair etc. Make sure the fuse isn't blown and then take the sump apart and clean the crap off the electronic float switch. You can try dropping a gallon of vinegar down the drain and let sit a few hours with power to pump off. These new electronic float switches get messed up with conditioner and soft soap. If not, take the switch out and clean the slime off of the cover. I replaced all the electronic switches with the old "float" type because the "sensor" style kept failing. Adding a washer between the switch and the sump tank works for a while but it's not permanent fix.
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post #6 of 12 Old 05-20-2012
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Re: Shower sump pump failure

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Check the joker valves in the pump body for hair etc. Make sure the fuse isn't blown and then take the sump apart and clean the crap off the electronic float switch. You can try dropping a gallon of vinegar down the drain and let sit a few hours with power to pump off. These new electronic float switches get messed up with conditioner and soft soap. If not, take the switch out and clean the slime off of the cover. I replaced all the electronic switches with the old "float" type because the "sensor" style kept failing. Adding a washer between the switch and the sump tank works for a while but it's not permanent fix.
Further to the foregoing, if the pump runs but still isn't drawing water, there is normally a debris filer between the shower pan and the pump with a removable screw top to allow one to clean the screening. If this was left with water in it over the winter, freeze-expansion may have cracked the filter bowl allowing air into the line and disallowing the pump to draw up water.

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post #7 of 12 Old 05-20-2012 Thread Starter
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Re: Shower sump pump failure

Yes, we checked that it is getting power and we replaced the float/sensor so it is not a hair or gunk issue. thanks
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post #8 of 12 Old 05-20-2012
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Re: Shower sump pump failure

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Yes, we checked that it is getting power and we replaced the float/sensor so it is not a hair or gunk issue. thanks
If the pump works manually and the float sensor (switch) has been replaced the only thing left is wiring if the pump will not run at all.

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post #9 of 12 Old 05-20-2012
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Re: Shower sump pump failure

I'm confused. Why don't you wire the float switch directly to the Whale pump? I ask because all sump pumps I've had had the float switch directly wired to the pump. What purpose does the "frenmch" box serve?
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post #10 of 12 Old 05-21-2012
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You'll need to replace the Whaler pump kit. We carry a spare pump so we don't have to pull the whole sump out. Best $250 I ever spent. As liveaboards the pump gets a daily workout, but they don't last more than 6 months of steady use. The best advice we can give is using a drain screen in the shower not an inline filter. Once when I took the pump apart I found a small piece of bar soap had gone down the drain and had lodged itself against one of the check valves effectively making the pump inoperative. Many type of cleaners especially anything caustic or containing bleach will also destroy the pump.
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