If your Midea air conditioner isn't responding to inputs, the wired controller (17220300A01908) might be the culprit. This genuine Midea part fits a variety of PTAC units, including models with electric heat options. A faulty controller can result in erratic operation or complete control loss, impacting your comfort. Restore your appliance's functionality by replacing the worn or defective controller with this original component. Before buying, check your device's model number for compatibility.