Step1: Disconnect electrical power to the dishwasher and shut off water supply before servicing.
Step2: Remove the access panel and locate the existing micro switch assembly.
Step3: Label and disconnect all wire terminals from the old switch carefully.
Step4: Remove mounting screws and take out the faulty micro switch assembly.
Step5: Install the new switch in the same orientation and secure it firmly in place.
Step6: Reconnect wiring, reinstall the panel, restore power, and test door/float actuation for proper cycle response.