Step1: Disconnect power and shut off appliance water supply before servicing.
Step2: Open the machine panel to access the float chamber.
Step3: Label wires, then remove the old float switch from its mount.
Step4: Install the new float switch in the same position and reconnect wires securely.
Step5: Ensure the float moves freely without obstruction inside the chamber.
Step6: Reassemble the panel and tighten all screws firmly.
Step7: Restore water and power, then test for proper fill and shutoff operation.