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How to bypass draining at start of wash cycle?


Hamlet

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Hi new to the group and 1st question.

Is there a way of bypassing auto draining at the the start of a wash cycle, the machine in question is a Samsung 16kg model number WF16J6500EV.

Your help would be much appreciated thanks in advance.

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Hi. No it's part of the software programming and as far as I know all washing machines now do it. What's the problem with it? Its function is to pump any water left inside the machine before starting a fresh cycle. It's totally unnecessary most of the time but theoretically there could be dirty water in the machine that has run in from the sink with an incorrectly fitted drain hose connection to a u-bend.

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The other reason it does this I think (am not a washing machine repairer by the way) is that I think it drain the stale water from the sump hose at the bottom of the drum and also the sump hose has a 'ping pong' type ball in the hose (to help with stopping water backing up to the drum - it floats to the top of the hose to seal it to stop waste water entering the drum) well the action of the 'pumping out' also keeps this ping pong thing moving freely as well. After the machine empties before the wash the sump fills with fresh clean water . 

On some higher end washing machines they have a sensor (I think its called a 'hall sensor' or something like that) and what happens is that the washing machine fills up a bit and then empties a bit then goes past this sensor (in the drain pump or sump hose)  which detects how dirty the load is then sends a signal to the circuit board to tell it how much water and detergent to use for that particular wash .

hope this helps.

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4 hours ago, andyr12345 said:

The other reason it does this I think (am not a washing machine repairer by the way) is that I think it drain the stale water from the sump hose at the bottom of the drum

Aye that’s what I said 😁its main function is to drain any water in the machine (including the sump hose). But I forgot to mention the sealing of the first bit of water inside the sump hose so thanks for adding that.
 

Actually the water left in the sump hose can’t be pumped out unless fresh water is added because the water pumps just can’t expel that last mug-full of water. Thats why there’s always a little bit of water in the sump hose. But if the water left in the sump hose has gone stagnant it can be flushed out by the filling of water at the same time. So the pump/fill cycle at the beginning serves two purposes. 

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