If your refrigerator control panel is dead or some fridge buttons not working, the most likely cause is a faulty user control and display board, so start by pressing each button and checking that the board has power before replacing it. If the whole dispenser system is failing or the ice and water functions are out, the dispenser control board is the next suspect, but test individual dispenser components first since a single part can fail. A separate display board can also fail in similar ways, so look for power at the display and any intermittent button response. Loose or damaged wire harnesses between the panel and control board are a common wiring issue and should be inspected and reseated. On models where the controls are built into the dispenser front panel, the entire assembly may need replacement. Finally, rule out incoming power problems by checking the outlet, cord and breaker. For repairs and parts, enter your refrigerator model number on RepairClinic.com to find the exact replacement refrigerator control board, display board, dispenser front panel or harness your unit needs.
01 - Samsung Refrigerator User Control and Display Board
To determine if the user control and display board is defective, try pressing the buttons on the control panel. If some of the buttons work, but others do not work, the user control and display board might need to be replaced. Additionally, if the display is not working, check the power to the user control and display board. If the user control and display board has power, but it isn’t working, replace it.
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The dispenser control board governs most of the functions of the dispenser system. If only one dispenser part is not working, it is probable that an individual part has failed. In this case, test each of the dispenser components before testing the control board. If the entire dispenser system is not working, the control board is more likely to be at fault.
To determine if the display board is defective, try pressing the buttons on the control panel. If some of the buttons work, but others do not work, the display board might need to be replaced. Additionally, if the display board is not working, check for power to the display board. If the display board has power, but it isn’t working, replace it.
The wires from the control panel to the control board may be loose or have become disconnected. Make sure the wire harness connectors are tight. A damaged wire harness will need to be replaced.
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05 - Samsung Refrigerator Dispenser Front Panel
On some refrigerator models the user controls are part of the ice and water dispensers front panel. If none of the control panel buttons are working, it's probable the main control board is malfunctioning. However, if some of the buttons on the control panel are still functioning, it's more likely the unit's user control and display is faulty. If this component is sold as part of the dispenser front panel, the entire assembly can be replaced.
Ensure power cord is fully inserted into a regular electrical outlet and the outlet is supplying power. Check fuses or circuit breaker if needed. It is best to keep the refrigerator on it's own dedicated circuit and not to use a ground fault receptacle which can interrupt power to large appliances.
Highly Likely
07 - Samsung Refrigerator Main Control Board
The main control board might be defective. However, the control board is rarely at fault for this problem. Before replacing the control board, first check all of the dispenser components. If none of the dispenser components are defective, consider replacing the main control board.