W11393685 Washer Genuine Transmission Gearcase 5304525218 inspect the thermal fuse (3392519)

inspect the thermal fuse (3392519) and high-limit thermostat/cut-off kit (279973) and replace if needed

3200RPM motor pump assembly

check and clean the coin trap filter — a clogged filter is one of the most common causes of F21 errors and clearing it often resolves the code without needing a new pump

Motor failing continuity test with a multimeter

W11393685 Washer Genuine Transmission Gearcase 5304525218 inspect the thermal fuse (3392519)W11393685 Washer Genuine Transmission Gearcase Replaces Part Numbers: W11393685, AP6977680, W11455453, W10811956, W11134159, W10447976, W10868473, W11393686. Description: This Gearcase is a Genuine OEM part for select Whirlpool washing machine models. This component, also known as the transmission, is responsible for converting the motor's power into the mechanical action needed to agitate and spin the washer drum. It plays a crucial role in the