Question about Bosch Nexxt 500 WFMC3301 Front Load Washer

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Not drain water


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Donald DCruz

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It is a common fault that the drain fails to work in most machines in a period of time and is the most problematic fault in a washing machine. In all occasions it is important that your observation is most important and so is vital to the identification /rectification and solution. If you have noticed that water has leaked then as the drain hose pump/valve and fittings are located on the underside of the machine it is important that you look for possible leaks here. In some cases the drain hose would be clogged at the drain end to outlet of the house and so there will be back flushing resulting in overflow to the outside. Also the drain pump/valve can be clogged. Now remove the drain hose clamps and remove the drain pump/valve, clean the drain pump/valve, use back flushing to clear off all dirt. Now test using power to see if this works and can be simulated. When refitting, the hose must be tightened properly. If the pump/valve does not work even with power then it must be replaced. If there is intermittent power to the drain valve/pump then the program controller unit is a suspect.
Cleaning a pump:
Finally the washer must be placed with a tilt- use a spirit level- so that all water will drain to the outlet port and thereby there is no residual water remaining.
Replacing the pump on a Bosch machine, please check this link for tips:

Posted on Jun 03, 2013


5 Related Answers


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SOURCE: Fabric Softener Dispenser wont drain

Try using a long handled babies bottle brush to clean out the rear of the dispenser and the tube leading down into the drum

Posted on Jun 18, 2009



  • 9 Answers

SOURCE: washing machine is not draining

Your drain pump is probably dead. Advice: do not believe anyone who tells you that it is a pain to replace on BOSCH! I just did it myself in less than 45 minutes and thereby saved about $200.

You need to order the part-> go to the BOSCH website and identify the exact model and part number for your machine. I ordered mine from

The part arrived at my home this morning-it took 2 business days. I called to double check I had the right part and the CS person was very nice and helpful.

Then, beating the odds I did the following with just a pair of pliers and a screw driver:
1- unplug the washing machine (of course)
2- drain any water that could be left in it using the small black drain hose located behind the front bottom door (probably on the right)
3- lie your washing machine on its back-put a piece of wood long enough to cross the width of your machine and it will save your fingers- you will need some thigh and **** muscles as it is a little heavy (but I am a woman and did it without help)
4- remove the bottom front panel of your washer (2 screws)
5- remove the screw holding your pump (above the filter)
6- lying down on the floor, unplug the wires at the back of the pump"s motor
7- using your pliers loosen the braces that hold each of the 2 hoses, and slide them down along the hoses (easier this way)
8- take out the hoses- the pump will drop into your hand
9- place the new unit by screwing it to the front of the machine's casing
10- plug back the wires
11- reposition the hoses making sure that the braces are tightened around the hose + each of the 2 plastic tubes that stick from the pump
12- tilt your machine back up
13- plug your machine
14- you are ready for your first load adn have saved $200 :-)!

Posted on Jul 27, 2009


  • 14 Answers

SOURCE: water wont drain from wash. Wont spin or drain

Something will be jamming the drain pump (no surprise there).
Some Bosch w/m's have a base plate, some don't.
Pull the w/m forward & tip it back against the wall at >45 degrees - should balance there easily. See if you can get underneath (inside).
If so, (power disconnected), remove the bottom kick plate area, and drop the drain pump back internally & down. Remove the wires & pipes (slowly, if there is still water to drain), and remove the pump. Dismantle it & remove the obstruction.

If there is a base plate, try for all hell to get the filter cap off.
Otherwise, you will have to put the w/m on its back, and unscrew the base plate (often, not an easy feat, as the screws are very still & jam).
Then follow above instructions.

Posted on Dec 12, 2009


Barry Coates

  • 3463 Answers

SOURCE: Bosch Maxx Classic wont drain

The correct procedure for removing the filter is to unscrew it anti clockwise, and pull it out.
If it does not come out, then it is possible that there is something stuck in the filter, or the filter seal has swollen
As you unscrew it, try moving it from side to side at the same as you are pulling on it, then screw it back in again, and try the same procedure.
Hope this helps.

Posted on Dec 21, 2009

mike cooper

  • 884 Answers

SOURCE: My Bosch Exxcel 1200 wont drain and wont spin on normal cycle. It shows an F18 fault

If hoses clear and filter not blocked, can only be pump fault

Posted on May 19, 2012

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Could be filter is blocked. Or drain pipe is blocked.
Fact it wouldn't spin, could point to blockage, as spin won't start if too much water in drum. Bad news is, it could be the water pump needs renewed.
Make sure drain pipe is properly connected to the waste pipe, and clear of obstruction.

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2 Answers

Spin cycle isnt not working

Hi there,

The spin cycle is reliant on the drain pump removing water from the tub.

It is a common ocurrance of objects (ie hair pins, pegs, coins etc) to be mistakenly washed through the cycle. Washing machines will often flush these objects down through the drain pump, and get caught in the little propeller of the pump.

So, it is imperative that you inspect the drain pump first and remove any obstruction within the drain pump cavity.

Turn machine power OFF at the wall and remove the power plug.

i) place an empty bucket on the floor
ii) lower the drain HOSE into the bucket - gravity will cause the water to drain into the bucket. Empty the bucket. Perform this procedure until all water has been emptied from the bowl.
iii) move the washing machine out from the wall, to gain access to the drain pump (usually a large screwcap). Place a large towel on the floor, under the screwcap - this will catch any remaining water that escapes.
iv) unscrew the drain pump cap and withdraw the cap. This cap may also contain a filter, so remove any lint/objects from this filter.
v) with the pump cap/filter removed, look inside the pump cavity and remove any visible obstruction from the impellar (little propeller thing). Then, with your finger, turn the little impellar in both directions - if you feel a 'rubber band' like resistance, then the drain pump may be ok at this point.
vi) remove all wet clothes from the machine bowl.
vii) re-assemble the drain pump cap/filter and secure it in place. Install drain hose back into your laundry tub. Plug machine back into power.
viii) fill the bucket with water and pour water back into your machine's bowl. Repeat with a 2nd bucket of water.
ix) manually select and operate SPIN cycle on the machine. Observe if drain pump functions correctly and empties water from the bowl. If yes, then you have resolved the problem.

If your pump has been cleared of all obtstructions but your machine will still not empty water from the bowl, then a full diagnostic will need to be carried out by an authorised service agent to determine which component has failed.

Let me know how you get on.....

Good Luck..

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