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LG · Refrigerator (Bottom Freezer)

LG Refrigerator (Bottom Freezer) 33 error code

Difficulty: Hard · Cost: $100–$400 · Duration: Requires professional service

The 33 error means your LG refrigerator has detected a problem with the compressor relay. This is similar to the 22 error but represents a different fault condition within the relay or compressor circuit. The compressor relay controls power delivery to the compressor — when it fails the compressor cannot run and the refrigerator stops cooling completely. There are no user steps to resolve this error and the unit requires a professional repair service.

Common causes

  • Compressor relay has malfunctioned or failed
  • Electrical fault in the compressor relay circuit
  • Compressor has developed a fault causing the relay to register an error

How to fix it

  1. 1

    There are no user-serviceable steps for this error

  2. 2

    Unplug the refrigerator to prevent further damage to the compressor

  3. 3

    Contact a qualified technician to inspect and replace the compressor relay

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