Lg Refrigerator Error Er 22

⚡ Quick Answer: The LG refrigerator error code Er 22 indicates a compressor overload protection issue, often resulting in a non-cooling unit. This may be due to a fai... ✅ DIY Fixable

What Does Error Er 22 Mean?

The LG refrigerator error code Er 22 indicates a compressor overload protection issue, often resulting in a non-cooling unit. This may be due to a failure in the compressor's start relay or a problem with the inverter control that prevents the compressor from functioning. Symptoms include unusual clicking sounds and a lack of cooling. Immediate troubleshooting should focus on power checks and ensuring proper operation of the refrigerator's components.

Common Symptoms:

  • Refrigerator not cooling
  • Compressor fails to start or run
  • Error code displayed on panel

Possible Causes

  • Compressor start relay failure (medium)
  • Control board / inverter PCB related issue affecting compressor drive (medium)

How to Fix Error Er 22

DIY Fix Check basic cooling symptoms and power

  1. Ensure the refrigerator is powered and is correctly plugged in
  2. Listen at the back of the unit for compressor run sounds (a low humming)
  3. Confirm doors close fully and temperature settings are correct

Technician Only Inspect and replace compressor start relay or related control components

  1. Disconnect power to the refrigerator
  2. Access the compressor area and test the start relay for continuity and function
  3. Inspect the inverter PCB / control board for signs of damage or fault codes
  4. Replace the defective start relay or control board as required

Parts needed: Compressor start relay, Inverter PCB / main control board

🛑 When to Call a Pro:
  • If you are not experienced with refrigeration and electrical systems
  • If compressor still doesn’t start after basic checks
  • If error persists after attempted resets

Technical Specifications

wattage 200W
component Compressor Overload Relay
resistance 5-10 ohms
part_number LG EBR73820301
voltage_rating 120V AC

Common Questions

What does Er 22 error mean on LG refrigerator?

Er 22 indicates a compressor overload protection issue, leading to a non-cooling refrigerator.

Can I fix LG refrigerator Er 22 error myself?

Yes, check power connections, door seals, and listen for compressor sounds before calling a technician.

How much does it cost to fix Er 22 error?

Repair costs range from ¥5,000 to ¥30,000, depending on the required parts and model.

When should I call a technician for Er 22?

If the compressor doesn't start after basic checks, or if the error persists after resets.

Data last verified: 2026-07-07

User Comments (0)

Share your experience or solution below.

Be the first to comment!