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Go Back   SailNet Community > On Board > Gear & Maintenance > Shower sump pump failure
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Thread: Shower sump pump failure Reply to Thread
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Topic Review (Newest First)
06-24-2013 09:22 PM
nika44
Re: Shower sump pump failure

Thanks for the reply. Yes we solved this problem, but it is good for other Beneteau owners to know and as such I am replying.

You were right. We had to replace the sump switch box However, the replacement also had the manual switch so there was no reason to keep the old one. I guess we could have.

The float switch was fine. We got the part from Beneteau's Parts department.
06-24-2013 06:07 PM
jtaylo9576
Re: Shower sump pump failure

We own a 2008 B43 with two of these type sumps.
If you have not already done so (which I think you have) you need to replace the sump switch box that you are talking about. It has a timer relay and it sounds like yours has failed. It's Beneteau p/n 064347. I would also suggest you not trash the old switch box since it does work in the override position. If, in the future, the new box completely fails you can install your old switch box until you secure a new one or change systems completely for a new sump system.
JT
05-21-2012 11:38 AM
sea_hunter 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.
05-20-2012 03:04 PM
alturia
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?
05-20-2012 01:59 PM
mitiempo
Re: Shower sump pump failure

Quote:
Originally Posted by nika44 View Post
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.
05-20-2012 01:26 PM
nika44
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
05-20-2012 11:08 AM
svHyLyte
Re: Shower sump pump failure

Quote:
Originally Posted by sea_hunter View Post
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.

FWIW...
05-19-2012 07:42 PM
sea_hunter 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.
05-19-2012 07:01 PM
mitiempo
Re: Shower sump pump failure

Which wire is power to the switch? Have you checked it for voltage?
05-19-2012 06:31 PM
nika44
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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