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Hello from Just Answer and the Appliance Catigory My name is Woody. I will be glad to assist you today. I have been servicing ALL Major Brands of Appliances for 36 Years, I own my own Appliance repair Company And I teach appliance repair at a local Community College. I have over 100,000 plus in home repairs and over 80,000 internet repairs under my belt. You will be paying me for my ANSWER to your Appliance Question,, Not for the repair of your appliance hence the name of this site Just Answer. I will do my best to take the information that you provide to me and make a Diagnosis for you to be able to repair your own Appliance.
When the unit is leaking is the bottom sump full of water and overflowing?
And you say you have replaced the control board (twice) have you replaced the console/keypad assembly? or just the electronic control board.
ok when it starts to leak you will need to open the door and look down in the bottom sump area to see if it is full and overflowing.
And it is the WASH light that blinks and not the clean light correct? need to make sure!!
ok and since the sump is full of water if you press cancel once the unit will go ahead and drain all the water out correct?
ok and when you start the dishwasher as normal after the unit fills with water (first 2 min) do you hear the wash pump circulating the water in the unit?
ok can you give me the circulation pump part number that you replaced please?
ok those are the correct parts for this model number of unit!
When it stops and comes back on is the coming back on the display or the entire unit?
Or better questions when it comes back on do you hear the circulation pump motor running?
ok and when it does come back on and then stops again your not touching the unit at all correct?
And when it shuts off the entire console goes blank correct?
ok if it is going blank and when it comes back on it just starts right back up on it`s own you do not have to do anything correct? and does it seem to start back up in the same place that it stopped in?
ok and have you opened the junction box under the unit on the right front corner to make sure that you do not have a loose electrical connection?
ok so then the next step is to test the voltage to the control board while the unit is running and when it shuts off.
Test on the P4 connector test P4-1 White to the P4-2 black and when it shuts off see if you are still getting the 120 volts A/C to the control board.
ok if you do loose it then the issue has to be between the junction box and the control board .
if your not loosing the 120 volts then check the door switch and door switch connections on P9 terminal on the control board.
the water circulating motor is entirely different from the drain motor.
The circulation pump motor pulls more amperage+ power then the drain pump motor.
And you have already replaced the control board and still have the same issue, so very unlikely it is a issue with the control board ,I still suspect a loose connection to the control board ,so it will be either one of the door switches or on the thermal fuse on the control board.