LG Mini Split Error Code CH29: How to Fix It

Q: What causes LG mini split error code CH29?

CH29 is caused by the inverter compressor drawing excessive current, typically due to dirty filters, blocked airflow, low refrigerant, electrical issues, or a failing compressor.

Q: Can I fix CH29 error myself?

You can perform basic maintenance like cleaning filters and clearing obstructions, but compressor and refrigerant issues require a licensed HVAC technician.

Q: Is CH29 error serious?

Yes, CH29 is a critical error that can cause permanent compressor damage if not addressed immediately. Turn off the unit and call a professional.

Q: How much does it cost to fix CH29 error?

Costs range from $100-300 for basic repairs like cleaning or electrical fixes, to $1000-2000+ if compressor replacement is needed.

Abstract

LG mini split error code CH29 indicates an inverter compressor overcurrent condition, meaning the compressor is drawing too much electrical current. This is a critical error that requires immediate attention to prevent permanent damage to your HVAC system.