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Guides and repair information for washing machines produced by Bosch, a German engineering and technology company.

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Bosch Nexxt series washer won't drain.

I have a Bosch washer that won't drain any of the water out of the tank, I forgot what the exact error code was(error 4 I think). I replaced the drain pump 2 to 3 times and the issue kept recurring. Also there is no debris in the drain area where you remove the cover in the bottom right of the machine.

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Belt, Water Pump

If the washer won't drain the pump belt might have broken or might have worn out. Check the belt and replace if it shows signs of excessive wear.

Drain Pump

If the washer won't drain water the drain pump might be defective. It's also common for a small sock or other article of clothing to get caught in the drain pump or in the drain hose. Check both for an obstruction before replacing the pump.

Clogged Pump or Hose

If the washer won't drain there might be a clogged pump or hose. It's common for small socks or other small clothing items to get into the water drain system and clog the hose leading to the pump or the pump itself. Remove the hoses from the pump in order to remove the article of clothing. Keep in mind that any water in the washer will pour out of the hoses when removed.

Drive Belt

If the washer won't drain, should check the drive belt. If the belt is broken or if it isn't tight on the pulleys the washer won't drain properly, if at all.

Lid Switch Assembly

If the washer won't drain the lid switch assembly might be defective. This is a very common problem. The lid switch assembly can fail either mechanically or electrically. Test any electrical switches with an Ohm meter for continuity. The switches should have continuity according to their design.

Door Lock Motor and Switch Assembly

If the washer won't drain the door lock assembly should be checked. The door lock can fail either mechanically or electrically. Test any switches on the door lock with an Ohm meter. The switches should have continuity according to their design.

Drain Hose

If the washer won't drain water check the drain hose. Be sure the hose did not get kinked behind the washer. Also, remove the hose from the pump and check it for obstructions.

Coin Trap

If the washer won't drain the coin trap may be clogged. This washer is equipped with a device near the water pump called a coin trap. The purpose of this device is to trap any foreign materials that make their way down the drain. Normally, the coin trap can be accessed through an access panel. It is designed with the homeowner in mind and is normally easy to clean out.

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5 Comments:

how do i find the pump to get to the hose?

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AJH Please start a new question and give us the make and model number of your machine.

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Here's how to remove the pump:

Bosch Washer Repair – How to Replace the Drain Pump

https://www.youtube.com/watch?v=UXqotKQU...

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How do I remove the drain hose?? It’s attached to the washing machine. I have a serie 6 wat24220au

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Jody That model number did not show as valid.

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I had this same problem too. Nearly every load refused to drain or spin. Finally I ran out of detergent (Tide) and started using my daughter’s All free and clear. Have not had a problem since. We have determined that somehow the excess suds that Tide makes - and we only used a little and it was in fact the HE version - was probably filling up in the drain and telling the machine it could not drain.

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Hi just had the same problem, finally got it drained took out the trap at the bottom and found an old hair clip which stopped the impeller, put it back together but still wouldn't work, cleaned the drain hose and fittings put it back together and worked perfectly. Phew.

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Rob Roberts will be eternally grateful.
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