If your refrigerator control panel is not working or the fridge buttons not working, start with the user control and display board — it’s the most common culprit. Press each button and check whether the display has power; if the board gets power but some buttons or the display fail, replace the user control/display board. If the problem is limited to the dispenser system, test individual dispenser parts before suspecting the dispenser control board, which will be the likely fault if the entire dispenser is dead. A separate display board can fail the same way, so check for power to that board next. Also inspect the wire harness and connectors for loose or damaged wires, and confirm whether the controls are built into the dispenser front panel since that assembly is sometimes sold as a single replacement. Finally, rule out incoming power issues by verifying the cord, outlet and breaker; large refrigerators should have a dedicated circuit and some GFCI outlets can interrupt power. Enter your model number on RepairClinic.com to find the exact replacement control board, display, harness or dispenser front panel for your refrigerator.
01 - Universal 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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02 - Universal Refrigerator Dispenser Control Board
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 - Universal 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 - Universal 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.