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Samsung Eco-Bubble combi, needs a new drain pump, but there's 2!


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Hi, I've become a home grown expert in the terrible joy of maintaining a Combi machine. Samsung Eco Bubble 8kg model. (WD80J6400AW)

I frequently get the 5c error code, so I drain it and I take it apart and clean all the hoses and it normally works again. This time it didn't work so I guessed that the drain pump had finally given up.

I referred to many videos as i haven't done this in many years. I cannot find any specific info for my model, or good info on combi's at all.

But when I took the unit apart there's 2 pumps (DC31-00181A). I started a spin cycle and I could see that one pump worked. I swapped them over and sure enough neither worked, so that looks to me like one is dead. But then the functioning one doesn't work when plugged into the location of the burnt out pump.

So really what I need help figuring out is, is the second pump supposed to work at the same time as the first or does it operate on a different schedule. I've ordered a replacement pump, but is there another problem that I will have to deal with? Could the wires of been damaged, I cannot see any obvious external damage.

I put a volt meter to the wires, whilst on the spin cycle, !st location reads 1v, the 2nd fluctuates between -0.1 and 0.1. Exactly the same readings come out of the plug that the pump wires plug into.

I would appreciate any expansion to my knowledge as I feel I'm basically a washer/dryer combi technician in training.

 

Thanks in advance :)

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Hello there. To test a pump you need a continuity test meter. If one has failed electrically you should find that it is open circuit. If two pumps are fitted inside a washing machine the second one is usually a recirculation pump designed to recirculate water back into the drum and should only operate on wash or rinse. If this is the case then you should be able to see that the output of the pump goes back into the drum at the top whereas the pump designed to pump out the water obviously should have a drain hose that goes to the sink or to an outside drain.

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OK, thank you, that makes sense.

It is the recirculating pump that burnt out then.

Is there any way to figure out which, cycles don't require the recirculating pump?  And which do and when? Without me sitting by the machine for hours and running all the programs, that is. 

I wish manufacturers made this information easier to obtain.

 

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I would expect all cycles use it. The whole point of it is to shower the laundry with water in order to use less water. 

Need a repair or spare parts? 

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Warning:  Read this before attempting any diy repairsNo representations or warranties are made (express or implied) as to the reliability, accuracy or completeness of advice. I can't be held liable for any loss arising directly or indirectly from the use of, or any action taken in reliance on, any information on this website, which is given free of charge and in good faith.

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