TCL Aircon Error Codes Singapore (Complete Guide 2026)
1. Overview of LG Diagnostic Categories & Reading Methods LG fault and protection codes are grouped into distinct operational categories: CH Codes (Check Codes): The core identifier prefix for LG aircon faults, spanning sensor issues, communication errors, and mechanical protections. Sensor & Thermistor Faults (CH01 to CH02): Issues with indoor and outdoor thermistors reading ambient…






