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Independent LG appliance repair — not an official LG service center.
Error Code

LG ThinQ NB Code

Incorrect router/Wi-Fi password entered

This is a status, reminder, or connectivity message — not necessarily a hardware issue.

Content status: Verified

Error code NB
Quick answer

Incorrect router/Wi-Fi password entered — not necessarily a hardware issue.

Model compatibility: LG reuses codes across series and model years, so NB may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this error means

Incorrect router/Wi-Fi password entered

Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

Seeing this code on your LG appliance?

Book a specialist visit for a clear estimate and approval before any repair. Independent service — not an official LG service center.

FAQ

Frequently asked questions

References

Sources & references

  • https://www.lg.com/in/support/product-support/troubleshoot/help-library/cs-CT20150045-20153105636960/

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Address 1200 Brickell Ave, Suite 400, Miami, FL 33131
Hours Mon–Sat: 8:00 AM – 7:00 PM
Service area Serving Los Angeles, San Diego, Miami, New York and Houston metro areas.
Response time Same-day and next-day appointments in most areas.

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