LG AC Error Codes
Complete list of LG air conditioner error codes with meanings and solutions
Ad Space
Slot: 7338695895
LG Error Code List
| Code | Meaning | Severity | Fix |
|---|---|---|---|
| CH01 | Indoor pipe sensor error | Medium | Check and replace indoor pipe temperature sensor |
| CH02 | Indoor temperature sensor error | Medium | Check indoor room temperature sensor connections |
| CH05 | Communication error between indoor and outdoor unit | High | Check wiring connections between units |
| CH10 | Indoor fan motor error | High | Clean or replace indoor fan motor |
| CH21 | Outdoor DC peak error | Critical | Check outdoor unit power supply and compressor |
| CH22 | CT sensor error | High | Check current transformer sensor and connections |
| CH23 | DC link low voltage | High | Check power supply and capacitor |
| CH26 | Compressor position detection failure | Critical | Check compressor and inverter board |
| CH27 | PSC fault | Critical | Check power switching circuit |
| CH32 | Outdoor unit discharge temperature sensor error | Medium | Check discharge temperature sensor |
Ad Space
Slot: 7338695895
Understanding LG AC Error Codes
LG air conditioners display error codes when they detect problems with the system. These codes help identify issues quickly, saving time and money on diagnostics. Understanding these codes can help you determine whether you can fix the issue yourself or need to call a professional.
Severity Levels Explained
- Critical: Serious issues that require immediate professional attention. Do not operate the unit.
- High: Significant problems that should be addressed soon. Unit may work intermittently.
- Medium: Issues that affect performance but aren't urgent. Can often be fixed with basic troubleshooting.
- Low: Minor issues or informational codes. Usually resolved with simple actions like filter cleaning.
Basic Troubleshooting Steps
- Note down the error code displayed
- Turn off the AC and unplug it
- Wait 5 minutes before restarting
- If the error persists, check the meaning above
- For critical errors, contact a certified LG technician
When to Call a Professional
While some error codes indicate simple issues like dirty filters, others point to serious problems requiring professional repair. Always call a technician for:
- Compressor-related errors
- Electrical or high-voltage issues
- Refrigerant leaks or pressure problems
- Errors that don't clear after reset
- Any error you're not comfortable diagnosing
Frequently Asked Questions
How do I reset my LG AC after an error?▼
To reset your LG AC: 1) Turn off the unit using the remote or power button. 2) Unplug it from the power outlet. 3) Wait 2-3 minutes. 4) Plug it back in and turn on. If the error persists, the issue may require professional service.
What do LG AC error codes mean?▼
LG AC error codes indicate specific issues with your unit. Common categories include sensor errors, communication problems, compressor issues, and electrical faults. Use the table above to identify your specific error code.
When should I call a technician for my LG AC?▼
Call a technician for: 1) Critical errors related to compressor or electrical issues. 2) Errors that persist after resetting the unit. 3) Any error involving refrigerant leaks or high-voltage components. Never attempt to fix critical issues yourself.
Ad Space
Slot: 7338695895