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

Next step

Choose the next step for Er 22

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Based on diagnostic data

Most relevant component to inspect

Main Control Board

The central brain of the appliance that controls all components, cycles, and timings.

Typical part-only price
$120 - $280
DIY difficulty
Medium
Estimated time
20-40 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Model number required

Model-compatible Refrigerator parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Refrigerator Condenser Coil Brush

For routine cleaning of accessible condenser areas where the manufacturer permits it. It does not repair a sealed-system or compressor fault.

View maintenance supply
Maintenance supply

Model-Compatible Refrigerator Water Filter

A routine replacement item on models with a water filter. Match the complete appliance model and existing filter number before ordering.

Compatibility check required: use the complete appliance model and compare the existing filter, bag, or specification before ordering.

Find one that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

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: 2026-07-26

User Comments (0)

Share your experience or solution below.

Be the first to comment!