The display box subassembly (17222000A20189) is a genuine part for Midea indoor and outdoor units of split air conditioning systems. If you notice issues with your air conditioner's display, such as unresponsive controls or a blank screen, this may indicate a problem with the display box subassembly. Replacing this component could resolve these issues, allowing your air conditioner to function properly again. Make sure to verify your air conditioner's model number for compatibility before purchasing.