LG Microwave Holder Assembly, Locker 3501W1A019D, Fixes Microwave will not start because the door-interlock assembly is damaged or not engaging correctly
Genuine LG microwave door-latch locker housing and interlock-switch assembly. The assembly engages the door latch when the door closes and includes the safety switches that prevent microwave operation when the door is open.
Confirm your full appliance model number before ordering.
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✅ Cross Reference Information
Common Symptoms
- Microwave will not start when the door is closed.
- Microwave may stop operating or fail to recognize the closed-door position.
- Visible damage or wear to the door-latch housing can prevent proper latch engagement.
Check Before Replacing
- With power disconnected, inspect the locker housing for cracks, broken mounting points, or visible deformation.
- Check that the microwave door closes fully and that the latch engages the housing without excessive looseness.
- Use the model-specific wiring diagram and a qualified service procedure to test the interlock switches; do not bypass any safety switch.
Pro Tip
Part Details
Installation Notes
- Disconnect electrical power before servicing.
- Microwave high-voltage capacitors can retain a lethal charge even after unplugging; installation and electrical testing should be performed by a qualified appliance technician.
- Do not bypass or defeat the microwave door-interlock safety system.
Verified Compatible Models
Fitment reminder: Verified compatibility is maintained by the XPart Model Hub Network. Match the complete appliance model number before ordering.
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