Question about Samsung DMR78AHS Builtin Dishwasher

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No power no lights samsung dmr78ahs - Samsung DMR78AHS Builtin Dishwasher

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  • Troy Whistman Apr 14, 2012

    I had this same problem with my DMR78AHS/XAA. No lights on the display, no buttons worked. Had power to the junction box under the bottom right of the kick panel. Took the screws off the door (torx), and found the computer board. Pulled the power plug (black and white wires) and confirmed I had power there, too (multimeter). Plugged the connector back on, and voila, it worked again. So, before you replace the computer board, try this to reset it. If you do need to buy a new board, I've found Midwest Appliance to have the best price... under $80 when I looked today. http://midwestapplianceparts.com/index.p...

  • Hugh Mar 19, 2013

    same problem here... my DMR78AHS (purchased in Oct.2009) did not have an in-line fuse (las seen in other postings) and i was getting power to the board. Samsung sent a tech out ($90); confirmed it was the board. **NOTE** , Samsumg has a 5-yr warranty on the board (must go through Samsung). So all i have to pay is for the add'l $75 installation fee. CHECK YOU WARRANTIES**

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The electronic computer board is dead & needs to be replaced.

Posted on Jan 12, 2011

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Had the same problem. Power at the inlet junction box, but no power at the main board. In my case it was the inline fuse located in the wire loom behind the lower right panel.

Posted on Dec 10, 2012

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Actually the Power Ontrol Board needs to be replaced. It is located in the door. Need to remove screws and put something under door as the panel will drop. Once open you will see the module with all of the wiring connected to it. it took me an hour to replace it.
You can order it from Samsung or , like I did, ordered from Sears Parts. Part DD97-00107A cost was $136.99 & shipping. Best part using Sears Parts is that they have the schematics for the appliance.

Posted on Oct 16, 2011

  • bert Oct 16, 2011

    Actually the Power Control Board needs to be replaced. It is located in the door. Need to remove screws and put something under door as the panel will drop. Once open you will see the module with all of the wiring connected to it. it took me an hour to replace it.
    You can order it from Samsung or , like I did, ordered from Sears Parts. Part DD97-00107A cost was $136.99 & shipping. Best part using Sears Parts is that they have the schematics for the appliance.

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