29

LG 29 Error Code – Inverter Compressor Amperage High

Air Conditioner · CRITICAL Severity

CRITICAL severity Air Conditioner Model: LG LS091HSV Indoor Unit
What This Error Means
Inverter compressor amperage is too high
Diagnostic & Repair Steps
1
Power Off Immediately
High compressor amperage is critical. 🔧 None
RESET ~2 min
2
Check Refrigerant Charge
Incorrect charge increases amperage. 🔧 Manifold gauge set ⚠️ Certified technician only
TEST ~20 min
3
Check Compressor Windings
Measure winding resistance. 🔧 Multimeter
TEST ~20 min
4
Inspect Outdoor PCB
Check for damaged current sensing components. 🔧 Flashlight ⚠️ Disconnect power first
INSPECT ~15 min
5
Refer to LG Service Manual
Visit www.lg-dfs.com for detailed troubleshooting. 🔧 Service manual
CHECK ~10 min

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