The Control Panel is an OEM part for Whirlpool microwaves. It features electronic controls and an informative LED display to operate microwave functions like power level, time settings and cooking presets.  Symptoms of a bad control panel include: Faulty or unresponsive buttons   Illegible or darkened LED display readouts Recurring issues initiating desired cooking programs Causes of control panel damage can be cracks or breaks in the plastic material from accidental impacts, liquid spills entering seams over time, or component failures within. This OEM Whirlpool replacement part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper and select Kenmore microwave models.W10328721 (AP4566373) replaces 1877451, AH3408013, EA3408013, PS3408013, W10240003, W10319319, W10344117.