Samsung 3405-001117 Microwave Micro Switch

Samsung 3405-001117 Microwave Micro Switch

Genuine Samsung replacement microwave micro switch, part number 3405-001117. This OEM safety switch is part of the door interlock system that detects whether the microwave door is properly closed. When the door is opened, the micro switch cuts power to the magnetron to prevent microwave radiation exposure. A faulty micro switch can prevent the microwave from starting or cause it to continue running with the door open.

Features

• Genuine OEM Samsung replacement part
• Critical safety component of the door interlock system
• Prevents microwave operation with the door open
• Direct-fit for compatible Samsung microwaves
• Compact design for easy replacement

Common Symptoms Resolved

• Microwave will not start when door is closed
• Microwave runs with the door open - safety hazard
• Blown fuse caused by faulty door switch
• Door latch clicks but microwave does not respond

Installation

1. Unplug the microwave from the power outlet
2. WARNING: Discharge the high-voltage capacitor before touching internal components
3. Remove the cabinet or outer cover to access the door switch assembly
4. Locate the micro switch on the door latch mechanism
5. Disconnect the wire terminals from the old switch
6. Remove the old 3405-001117 switch from its mounting
7. Install the new micro switch and reconnect wire terminals
8. Reassemble the cabinet and restore power
9. Test the door operation to verify proper function

⚠️ WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.