LG Refrigerator Error Er C2
⚡ Quick Answer: The LG refrigerator error code Er C2 indicates a malfunction in the compressor relay, leading to inadequate cooling and often accompanied by unusual c... ✅ DIY Fixable
What Does Error Er C2 Mean?
The LG refrigerator error code Er C2 indicates a malfunction in the compressor relay, leading to inadequate cooling and often accompanied by unusual clicking sounds. This error suggests a temperature defect or degraded cooling power, prompting the refrigerator to signal abnormal temperature performance. To address this issue, users can attempt a power reset by disconnecting the refrigerator for five minutes and then reconnecting it to see if the error clears.
Common Symptoms:
- Abnormal or inadequate cooling performance detected
- Possible temperature display error concurrent with the code
Possible Causes
- Compressor Relay
How to Fix Error Er C2
DIY Fix Check basic conditions and reset power
- Confirm the refrigerator is receiving stable power and the plug is fully inserted.
- Turn the refrigerator off and disconnect from power for about 5 minutes.
- Reconnect power and observe whether the "Er C2" code clears.
- Monitor refrigerator cooling performance after reset.
Technician Only Professional diagnostic for cooling system
- Use proper diagnostic tools to read error logs on the main control board.
- Check temperature sensors (thermistors) and verify correct readings.
- Inspect key cooling components (compressor, refrigerant circuit, evaporator) for operational faults.
- Confirm that defrost/heater circuits and fans are functioning normally.
Parts needed: Temperature sensors (thermistors), Control board, Compressor and refrigeration circuit components, Evaporator fan
- If the code persists after power reset and basic checks
- If cooling performance continues to be inadequate
- If there are unusual noises, smells, or temperatures outside normal operating range
Next step
Choose the next step for Er C2
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
- Typical part-only price
- $15 - $35
- DIY difficulty
- Easy
- Estimated time
- 15-30 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.
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.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Compressor
Compresses refrigerant within the sealed cooling system and requires specialized service equipment.
Evaporator Fan Motor
Circulates cold air from the evaporator through the refrigerator or freezer compartments.
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.
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.
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.
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.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | N/A |
|---|---|
| component | Compressor Relay |
| resistance | 0-10 ohms |
| part_number | LG 1263390 |
| voltage_rating | 120V AC |
Common Questions
What does Er C2 error mean on LG refrigerator?
Er C2 indicates a compressor relay malfunction, causing inadequate cooling.
Can I fix LG refrigerator Er C2 error myself?
Yes, try resetting the power by unplugging the refrigerator for five minutes.
How much does it cost to fix Er C2 error?
Repair costs vary widely based on the diagnosed failure, from sensor replacement to compressor repairs.
When should I call a technician for Er C2?
Call a technician if the code persists after a reset or if cooling problems continue.
Sources & References
Data last verified: 2026-07-26
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