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LG Refrigerator Er 22 Error Code

Compressor relay problem. What it means, which models show it, and how to clear it, easiest fix first.

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Er 22
May need a pro

LG lists Er 22 and Er 33 as compressor relay faults. The compressor may not start or run normally, so the fridge can lose cooling.

Compatible models

LG doesn't publish a model list for this code; it appears on LG refrigerators with a digital display. Check your owner's manual.

Also shown as

Grouped codes: 22 and 33.

Difficulty

Try the basic checks, but the usual fix is a technician's job.

Safety first: unplug the refrigerator (or switch off its breaker) before touching filters, hoses or panels. If you smell burning or gas, or see water near the outlet, stop and call a professional.

How to fix LG Er 22

  1. Reset the power

    Unplug the refrigerator or switch off its breaker for about 5 minutes, then restore power. Plug it straight into a wall outlet.

  2. Keep food safe

    Check temperatures with a thermometer and move food to a cooler if the fridge goes above 40°F (4°C).

When to call a technician

Request service. Compressor and relay faults involve high-voltage and sealed-system parts that only a technician should handle.

Parts linked to Er 22

These are the parts most often behind this code. Tap one to see what it does and the signs it is failing.

Order parts by your full model number so they fit.

Frequently asked questions

What does Er 22 mean on a LG refrigerator?

LG lists Er 22 and Er 33 as compressor relay faults. The compressor may not start or run normally, so the fridge can lose cooling.

Which LG models show the Er 22 code?

LG doesn't publish a model list for this code; it appears on LG refrigerators with a digital display. Check your owner's manual.

Can I fix LG Er 22 myself?

Only the basic checks. You can safely try the steps above, but Er 22 usually points to a part or fault that needs a technician.

What if Er 22 keeps coming back?

A code that returns after a reset and the checks above usually means a part is wearing out. Note when Er 22 appears (which cycle, how often) and have your model number ready; it helps a technician bring the right part on the first visit.

Other LG refrigerator codes

Last reviewed 2026-10-19. Codes and steps can vary by model; check your owner's manual.

Sources we checked