LG Inverter Ac Error Code And Solutions
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21 DC Link Peak (IPM Fault) 2 times 3 1 times 3 Over Rated Current
22 CT 2 (Max CT) 2 times 3 Input Over Current
23 DC Link Low Volt.
DC Link High Volt. 3 times 3 DC Link Volt is below 140Vdc
DC Link Volt is above 420Vdc
25 Low Voltage/Over Voltage 5 times 3 Abnormal AC Volt Input
26 DC Compressor Position Error 6 times 3 Compressor Starting Fall Error
27 PSC/PFC Fault Error 7 times 3 Over Inverter PCB input current
29 COMP Over Current 9 times 3 Over Inverter Compressor Current
32 D-Pipe High 3 times 3 2 times 3 D-Pipe Temp. High
35 Low Pressure Error 5 times 3 Excessive decrease of Low Pressure
39 Communication Error 9 times 3 Communication Error Between PFC Micom and INV Micom
40 CT Sensor (Open/Short) 4 times 3 0 CT Circuit Malfunction
41 INV. D-Pipe Th Error 1 times 3 Open/Short
43 High Pressure Sensor Error 3 times 3
44 Outdoor Air Th Error 4 times 3
45 Cond. Mid-Pipe Th Error 5 times 3
46 Suction Pipe Th Error 6 times 3
48 Cond. Out-Pipe Th Error 8 times 3
51 Capacity Over 5 times 3 1 times 3 Over combination
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53 Signal Error (Indoor <-> Outdoor) 3 times 3 Communication Poorly
54 3-Phase Wrong wiring 4 times 3 3-Phase Wrong Wring of Outdoor Unit (Reverse Phase/Omission of Phase)
60 EEPROM Check Sum Error 6 times 3 0 Check Sum Mismatching
61 Cond. Pipe Th High 1 times 3 Cond. Temp. High
62 Heat sink Th High 2 times 3 Heatsink Temp. High
65 Heat sink Th Error 5 times 3 Open/Short
67 Outdoor BLDC Fan Lock 7 times 3 Outdoor Fan is not operation
73 PFC Fault Error(SAN) 7 times 3 3 times 3 Over Current of Outdoor Unit PFC
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