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Customer Questions and Answers for Oven Relay Control Board by Samsung

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Manufacturer Part
4.89 (64)
By: Samsung
Part Number: OEM21056610
Manufacturer Part Number: DE81-09179A

This OEM part is sold individually and is a relay control board for ovens. An oven relay control board is a circuit board that receives signals from the main oven control board. The relay control board then relays the signal to regulate the oven's essential functions. If the oven is no longer turning on, heating properly, or regulating its temperature, it might be time for a new relay board. Luckily, replacing this part is not a difficult process.To replace the relay board make sure the oven is unplugged. Gain access to the upper back panel on the back of the range and remove the screws. Once the panel is removed access the relay board, and remove the wire harness as well as any individual wires attached to the old board. Make sure to take note of the orientation of the wires. Replug the wires into their correct terminals on the new board and snap the new board back in place. Resecure the upper back panel.This genuine replacement part is sold individually and is compatible with Samsung brand ovens.

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Questions & Answers

For Samsung Oven Relay Control Board (Part Number: OEM21056610)

1 Answer

Hello Willard, This sounds like the power supply board has failed. I was unable to pull a diagram on it so the specific board will hav eto be determined from the wiring diagram and your test meter.

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1 Answer

Rich, There is a thermal cutout that is located under the top burner box that could have gone bad. You will want to test this for continuity and if there is not continuity then it is faulty. The hi temp thermal fuse is part number DE81-03938A. If this checks ok then the relay board will most likely be the issue.

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1 Answer

Dan, Unfortunately the manufacturer does not put out instructions on disassembly. For this you would need to remove the burner box in order to access the relay board.

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1 Answer

Steve, To access the relay board you will need to remove the control panel for the oven. To do this you will remove 2 screws under the control panel then roll the bottom of the control panel forward and up.

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1 Answer

George, This would most likely be caused by a faulty relay board or a oven sensor. You will want to test the resistance of the oven sensor to make sure that it is reading 1090 ohms at room temp. If it tests ok then the relay board would be the issue.

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1 Answer

Hello Dan, You need to check the door lock assembly and the control for the upper oven, and the lower oven will need to be checked for L1 and L2. The issue on the lower oven could be a thermal cutout, the element, the selector switch, or a relay on the control giving the issue. You should use a test meter to determine the bad part.

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