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FER300SX Power Issue with Samsung


Apr 3, 2017
Model Number
6-10 years
Good Evening,

We are in the process of replacing a VERY old (I would have to guess 1970s) electric range with a used Samsung model FER300SX - can confirm it was working prior to our pickup and transport. Each range had a power cord already fixed to the back of it. [The old stove had 3 prongs, 2 straight and one at a right angle. The newer stove has 3 prongs but all 3 are straight]

Looking at the back of the stoves, we saw that although the prongs were different both had three wires - Red, "Green" (Neutral? Ground?), and Black - so we figured they were interchangeable and decided to take the power cord off of the old range and put it on the new one. We figured it was the same thing but with different shapes (seriously hoping we didn't do something very bad!) We marked the wires and are confident we kept the red on red, green on green, black on black (If that even matters?)

When we turned the 220 back on, the ne cooktops worked but the clock, oven and all digital controls dont. We saw this thread: https://www.applianceblog.com/mainforums/threads/50524-Clock-Digital-controls-not-working-on-my-Samsung-Oven-FTQ3531WUW

and we feel like that somewhere along the line power may be the issue. We feel like maybe work needs to be done on the receptacle, the line and/or the box. We are not extremely wealthy and relatively handy so if possible we try to do things ourselves, but safety is a priority.

If it will help, I can try to post pictures/videos/diagrams - fingers crossed its a simple fix!

Thank you all in advance for your time. I am very sorry if I missed a post in the forums that already addressed this issue.



Appliance Tech - Moderator
Staff member
Jul 11, 2006
Murray, Utah 84107, United States
The outside wires on the power cord connect to the outside terminals on the terminal block (black wires and red wires). It doesn't matter which one goes where. The center wire of the power cord must be connected to the center post on the terminal block (white wires). The center post of the terminal is also connected to a cabinet ground, usually by a brass strap.