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Will a weak float switch cause a leak under the float switch location

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I believe so, the jets coming down will push it into the water allowing extra water into the tub and overlow... how do I know, just found this on a brand new whirlpool.

Posted on Jul 18, 2010

  • b0yscout Jul 18, 2010

    overflow I meant to say



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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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What does EFO mean

Its an anti flood warning. generally it means something has leaked into the cabinet and water has triggered the safety float on the floor of the cabinet. You will probably find a small leak somewhere which has allowed water to gather under the machine. IE/ Hose, front gasket, pump etc.. If you tip the machine backwards to drain all the water out of the base, it will probably work until the safety switch triggers again. Locate and fix the leak before it gets worse and causes some damage.

Mar 08, 2015 | AEG Washing Machines

1 Answer

Fagor dishwasher overflow

Consider that the problem may not be the float as mentioned. Leaking can be as simple as the door seals, or misalignment. If someone slams the door or runs into the door from the side, the normal alignment can be out of adjustment. Check the locking tab under the counter and see it that was moved and reset it. Seems you already fussed with the system and it did not solve the problem.

Mar 17, 2014 | Fagor Dishwashers

1 Answer

Bosch exxcel auto option - Have not run it for a couple of months. Turnit on al all it does is pump out


The usual reason for this is that water hes leaked into the bottom of your dishwasher under the washing compartment. This has caused the float to rise and trip the switch which activates the Aqua-Stop / anti-flood protection system. This also closes the solenoid (water control valve) to stop water entering this dishwasher. You may already have had a small leak before you stopped using it.

The only way to check this is to remove the washer from under the counter (disconnect power and water supply first) and tilt it backwards about 15-20 degrees. Water should run on to the floor from under the washer so I suggest putting some old towels down first. Once the water has been drained from under the washer, you can use it again, but it's not advisable if you have a leak and this really needs to be investigated.

If there is no water from under the washer, you may have a faulty float switch or possibly a faulty control module.

Hope this helps.


Nov 23, 2010 | Bosch Dishwashers

2 Answers

Eco light comes on when I switch on machine but can't change programme and it doesn't work some water still under filter

This indicates water in the base, there is a polystyrene float that operates a cut off switch if water leaks into the base, this could be caused by a leaking pipe connection, or simply by water getting by the door seal and eventually having enough volume in the base te operte the float switch, try tilting the machine backwards if water comes out of the basethen this should cure the problem, but if it recurs fairley quickly you should have the hose connections checked for tightness, can be accessed from the base.
the dishwasher should be isolated from the supply first base tray is secured by 6 screws, the float switch is attached to the base so care should be taken when removing the base tray

Apr 23, 2010 | Hotpoint 24 in. FDW60 Free-standing...

1 Answer

I have a Hotpoint Super Plus dishwasher 7820. It worked well for a long time. Towards the end of the cycle it leaks a lot of water from the underside of the door, so it seems. I have fitted a new door...

The door seal has to be in a proper position completely around the door (including the bottom area of the door). If not, it will leak. Also, there are two black corner baffles/seals (located in each front corner inside the tub area) that may also be the culprit. Additionally, there may be an issue with the float switch assembly that shuts off the water supply prior to the wash cycle. If the float switch assembly is allowing an extra amount of water in the tub, it will cause a leak.

Feb 26, 2010 | Hotpoint Dishwashers

1 Answer

I have a maytag mdb7100Aww. Dishwasher leaks at bottom of door

You definitely have to have a clean......float clean from all is very typical for the float to cause leaking problems it is an overflow switch....also drying agents...that are used...especially if any is spilled inside will foam up and cause an overflow as well as liquid detergents that are not specified by the maker of your DW....these foam also....(if to much is used)...but the float will not push down on the switch if it is completely free from gunk.
I hope this helps.....good luck...thanks for rating my effort....the Fang.

Mar 29, 2009 | Maytag Dishwashers

1 Answer

Sink was pluged plunged and now the dischwasher will not fill it's keeping draining the water out all the time

Bosch has a safety float switch under the dishwasher basin. If water leaks into this area, the float rises and turns on the drain pump to clear out the water in the dishwasher. Hope I explained that ok :)
Anyways, usually a leak somewhere causes this and unless the leak is fixed and water is removed or evaporates, the dishwasher will remain in the drain cycle.

Feb 24, 2009 | Bosch 24 in. SHU66C02 / SHU66C06 Built-in...

1 Answer

Water level float switch error

You do not mention the model, I presume that it is a cassette, in which case the float switch is located in the indoor unit. You have to remove the cover which is 4 screws. First make sure all power supply is turned off. Then remove the drain pan which surrounds the fan blade. You will see in one corner of the unit a slightly deeper part of the drainpan, this is the corner where both the condensate pump as well as float switch is located. Before you do any of this, give a serious blow into the drain pipe from outside and this may dislodge any sludge which may be causing the floatswitch to stick. You can also pull out a rubber plug which is under the pump on the drainpan.

Jan 28, 2009 | LG Heating & Cooling

2 Answers


I had this problem, our kenmore dw would leak maybe 1 out of 5 runs. found that the overfill float was so full of crud and calcium that it was weighing it down, and alowing too much water in - thus leaking out the top of the shaft of the float.
You must unlatch the float below the dw, very difficult, try a mirror, you also must remove the micro switch attached to the bottom of the float first. This fixed the problem!

Jan 18, 2009 | Kenmore 24 in. 17482 / 17484 / 17489...

2 Answers

Leaking from fill level float riser Maytag MDB6000AWW

I have the same problems. I've noticed that the Electrasol tablets do create a fair amount of suds, so I switched back to powder.

I determined that the suds were rising up under the float and leaking around the shaft. Do not remove the float! I tried and broke the float trying to unscrew the nut. Fortunately, the new float was only a few dollars, but replacing the float did not change anything.

I solved the issue by placing a shallow plastic box under the float. I think it was the top of a box that candy came in. The amount of water that leaks is small enough that it evaporates before leaking out onto the floor.

Nov 14, 2008 | Maytag MDB9600A Jetclean II Built-in...

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