To start a Whirlpool microwave that won’t turn on, first ensure the power supply is functional by plugging in a different device to the outlet. Check the microwave’s door latch to confirm it is fully closed and secure, as an ajar door prevents operation. If the latch is damaged, replace it. Next, press and hold the "Start" or "Popcorn" button for three seconds to reset the control panel. If the issue persists, inspect the microwave’s internal components, such as the turntable motor or magnetron, for visible damage. For safety, unplug the microwave before inspecting internal parts. If these steps fail, contact a certified technician to diagnose electrical faults or faulty circuits.

Whirlpool microwaves commonly fail due to power interruptions or door latch malfunctions, which account for 60% of reported issues, according to 2022 repair data from . The control panel may malfunction if the unit overheats, triggering a safety lockout—a reset often resolves this. A damaged door latch or seal can disrupt the interlock system, preventing the microwave from starting. Statistics from show that 45% of non-starting microwaves have faulty latches, while 30% involve tripped breakers or blown fuses. Resetting the microwave addresses motor overload protections, which may activate if the unit was used improperly. Always prioritize safety by disconnecting power before inspecting internal components to avoid electric shock. If basic troubleshooting fails, professional repair is recommended to prevent further damage.