LG
LG Air Conditioner Troubleshooting
6 error codes with step-by-step fixes, safety warnings, and Amazon tool links.
6
Error codes
32 min
Avg. fix time
33%
Beginner-friendly
25
FAQs answered
About LG air conditioner error codes
This hub covers every LG air conditioner fault code we’ve documented — 6 error codes with step-by-step fixes, safety warnings, and links to the exact tools on Amazon.in. Each guide is cross-referenced with the LG India service manual and verified against common failure patterns reported across Indian households.
LG air conditioner errors range from simple resets to intermediate-level repairs. About 33% are beginner-friendly fixes; the rest need basic tools and some mechanical comfort. The average fix takes about 32minutes. Every guide includes a “when to call a technician” section so you know exactly where the DIY boundary is.
The most common fault pattern across LG air conditioners in India is not cooling, accounting for 5 of the 6 error codes we cover. If your air conditioneris showing this symptom but you’re not sure which error code it is, browse the list below and match the description to your situation.
All error codes
Error C1 on LG air conditioners indicates that the indoor unit room temperature sensor (thermistor) has an open circuit or short circuit.
25 min · skill: beginner
Error C5 on LG air conditioners indicates that the indoor pipe temperature sensor (evaporator thermistor) has an open circuit or short circuit.
30 min · skill: intermediate
Error CH 05 indicates a communication breakdown between the indoor and outdoor units of your LG split air conditioner.
30 min · skill: intermediate
Error CH 10 indicates a fault with the indoor unit fan motor, typically the BLDC (brushless DC) motor used in LG inverter air conditioners.
40 min · skill: intermediate
Error E1 on LG air conditioners indicates that the high-pressure switch has tripped, meaning the refrigerant pressure in the system has exceeded safe operating limits.
35 min · skill: beginner
Error E5 on LG air conditioners indicates an overcurrent protection fault, meaning the compressor is drawing more electrical current than the system's rated limit.
30 min · skill: intermediate
Thinking of replacing your LG air conditioner?
If repair cost exceeds 50% of a new unit’s price, replacing is usually the smarter move. Compare top-rated air conditioners in India.