LG Fridge Error Codes: Complete 2026 Diagnosis and Fix Guide

LG fridge error codes appear on the display panel when the internal diagnostics detect a fault. Most codes point to a specific sensor, motor, or component, and knowing which one means you can describe the problem clearly when you call for LG appliance repair, or check whether it is something you can reset yourself. This guide covers every common LG fridge error code, what it means, and what to do next.

If your display is showing dashes, icons, or temperature readings instead of error codes, scroll to the FAQ at the bottom.

Fan motor errors

Fan errors are among the most common LG fridge fault codes. The fridge has multiple fans: freezer evaporator fan, fridge evaporator fan, and condenser fan. Each has its own code.

Sensor errors

Temperature and humidity sensors feed data to the control board. When a sensor drifts out of range or fails completely, the board cannot regulate temperature correctly.

Defrost errors

LG French door fridges use an automatic defrost system to prevent ice buildup on the evaporator coils. When defrost fails, ice accumulates, blocks airflow, and eventually causes cooling failure.

LG French door fridges from the 2014 to 2019 model years had a widely reported linear compressor and sealed system issue that often presented as a defrost problem first. If your fridge is from that period and is showing Er dH along with warm temperatures, it may be a compressor issue rather than a simple defrost heater. A technician with experience in LG fridge repair can diagnose this quickly.

Compressor and sealed system errors

Compressor jobs on LG fridges are significant. The part alone is $400 to $700, and labour adds $200 to $350. Whether this is worth doing depends on the fridge age. LG offers a 10-year compressor warranty on many models; check your original documentation or the LG Canada warranty lookup.

Other codes and display messages

How to reset an LG fridge error code

For most LG error codes, try a power reset first:

1. Unplug the fridge from the wall (or switch off the dedicated breaker).
2. Wait 5 minutes.
3. Reconnect power and wait for the display to initialize (up to 90 seconds).
4. If the error code returns immediately, the underlying fault is still present and needs repair.

A reset clears the code but does not fix the fault. If the code comes back, note it exactly as displayed and call a technician.

Frequently asked questions

What does Er 1F mean on an LG fridge?

Er 1F means the freezer evaporator fan motor has faulted. Check whether ice has built up on the fan blade first. A manual defrost cycle (hold fridge and freezer temp buttons 5 seconds) can clear ice-related fan blockages without needing a repair.

How do I clear an error code on an LG refrigerator?

Unplug the fridge for 5 minutes, then restore power. If the code reappears, the underlying fault is active and needs to be diagnosed. Clearing codes without fixing the cause will not resolve the issue.

My LG fridge shows Er dH but the fridge is still cold. Should I worry?

Yes. Er dH means the defrost heater circuit is not working. Even if the fridge is currently cold, the defrost failure will cause ice to accumulate on the evaporator coils over the next few days. Once the coils ice over completely, cooling will stop. Book a repair before that happens.

Does LG cover fridge compressor repairs under warranty?

LG offers a 10-year limited warranty on the compressor for many of their French door models. Check your original purchase documentation or the LG Canada website to confirm your model and purchase date are covered.

If your LG fridge is showing an error code and a power reset did not clear it, book a diagnostic visit and our technicians will identify the fault and give you a written repair estimate.