What Does the LG CH38 Error Mean?
Low refrigerant detection, shutting down system operation to protect the compressor from dry running damage.
Repair vs. Replace Decision
❌ Recommended Action: Repair with Caution / Replace if Old
Do not attempt a DIY recharge. Hire an EPA-certified technician to find the leak, patch it, and recharge.
How to Fix LG CH38 (DIY Methods)
Follow these step-by-step diagnostic and repair instructions to resolve the error. Success rates are compiled based on technician repair logs.
1
Inspect system for visible oily refrigerant spots
20% Success Rate
2
Hire a professional for leak repair and recharge
95% Success Rate
3
Replace system if leak is in non-replaceable coil
100% Success Rate