If your refrigerator's user interface is failing to respond or display correctly, the user interface power supply board (DA97-17698A) could be the issue. This genuine Samsung replacement part for your refrigerator manages the power to the user interface, ensuring correct operation. Before installation, unplug your refrigerator and store any perishable food safely. Consider wearing work gloves to protect your hands while replacing the part. Verify your device's model number for compatibility before purchasing.