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Re: Samsung WD8704RJA1/XEU
” Have a visual look at the inlet valves. What you are looking for is a over heated area of the plastic that encases the solenoid windings. If either one should short, the resistance is lessened, the pump comes on because usually the pump and solenoids are inter-connected.”
A very general rule which is a pointer only. Look there first.Re: Samsung WD8704RJA1/XEU
In some cases, such as the washer thinking that water level went too high or took too long to fill, to stop filling and start the pump as a safety measure. In such case, you likely will get an error code too.
In case the washer thinks the water level is too high, you might have a clogged pressure hose. A quick way to check for this is to unplug the hose from the pressure sensor, if this stops the pump, then the hose or air trap likely needs cleaning.
It’s also possible that the drain pump relay on the PCB is stuck closed. Not very likely but it happens from time to time. This is likely the case is the pump starts as soon as you plug the unit even if it’s OFF.
Sometimes just knocking on the relay can help unstick it temporarily, but the problem will often come back again and again so you might be looking to replace the PCB.
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