26

LG 26 Error Code – Inverter Compressor Seized

Air Conditioner · CRITICAL Severity

CRITICAL severity Air Conditioner Model: LG LS091HSV Indoor Unit
What This Error Means
Inverter compressor has seized up or is not providing rotation
Diagnostic & Repair Steps
1
Power Off Immediately
Seized compressor is a critical fault. 🔧 None
RESET ~2 min
2
Allow Compressor to Cool
Wait 30 minutes. 🔧 None
RESET ~30 min
3
Check Refrigerant Charge
Incorrect charge causes compressor issues. 🔧 Manifold gauge set ⚠️ Certified technician only
TEST ~20 min
4
Check Compressor Windings
Measure resistance and insulation. 🔧 Multimeter, megger ⚠️ Disconnect power first
TEST ~20 min
5
Replace Compressor
Engage qualified technician. 🔧 New compressor
REPLACE ~180 min

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