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Appliance Medic
Appliance Medic, Home Appliance Technician
Category: Appliance
Satisfied Customers: 10831
Experience:  Factory Trained CFC Technician
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I have a MDB7749AWM2, it won't drain unless i push the drain/cancel

Customer Question

I have a MDB7749AWM2, it won't drain unless i push the drain/cancel button
Submitted: 1 year ago.
Category: Appliance
Expert:  Appliance Medic replied 1 year ago.
Welcome and thank you for your question. I will be the professional that will be assisting you.
Hi, the dishwasher never attempts to drain during a cycle?
Customer: replied 1 year ago.

not that i'm, aware of. it pauses and the start button flashes. If I push the start button, it continues--this happens 3 times during 1 washing. If i push the cancel/drain button....it drains and shuts off

Expert:  Appliance Medic replied 1 year ago.
That's very strange. You need to check the power at the pump. It sounds like you have a bad control board. If the pump never comes on, it most likely is not getting 110v. If you have a multimeter, you can make the voltage.
Customer: replied 1 year ago.

but it comes on when i push the drain/cancel button,...and i've replaced the power touch panel as well as the thermal fuse.

Expert:  Appliance Medic replied 1 year ago.
The control board is the only part left that would cause this.