LMV2031ST DOOR error
Your LG LMV2031ST is showing DOOR. Before replacing parts, confirm the model tag matches LMV2031ST: Inside the microwave door frame when the door is open. Hold Clear/Stop 3 seconds to clear LOC control lock. On this LG microwave, DOOR means Door is open or the door switch is not making contact. The steps below follow the field-service order for the LMV2031ST platform — not the generic LG DOOR page. Cross-check part fit with LMV2031ST before ordering — use the model-specific parts diagram. If the code cleared after a reset but returned mid-cycle, treat that as a confirmed fault rather than a one-time glitch.
Fix steps
- Verify the model tag reads LMV2031ST — Inside the microwave door frame when the door is open.
- Reset DOOR: unplug the microwave or switch off the breaker for 5 minutes, then restore power.
- Inspect hoses, connections, and visible wiring for damage, clogs, or loose fittings related to DOOR.
- Model note for LMV2031ST: Hold Clear/Stop 3 seconds to clear LOC control lock.
- Run a test cycle after repair. If the code returns, use the compatible parts below or the full brand code guide.
Professional assistance recommended
This issue may be unsafe for DIY repair. Follow the safety guidance above and contact a qualified technician.
Repair guidance is for informational purposes only. We do not guarantee that any fix will resolve your issue, and you assume all risk when following these steps. Terms & disclaimer
FAQ
What does DOOR mean on a LG LMV2031ST?
Door is open or the door switch is not making contact.
How do I reset DOOR on a LMV2031ST?
Unplug the microwave or switch it off at the breaker for 5 minutes, then restore power and restart. If DOOR returns on the LMV2031ST, the underlying fault is still present.
What part do I need for LMV2031ST DOOR?
Try the reset and troubleshooting steps first. DOOR on the LMV2031ST is not always a failed part.
Is DOOR on the LMV2031ST easy to fix?
Many owners fix this themselves with basic tools. Start with the reset and steps above, then check compatible parts below.