LG PUDCA0 Installation Manual page 37

TROUBLESHOOTING
36
- Error checking : The errors may be checked on LED of the display parts of wired remote con-
troller and the LED of the controller of outdoor device.
Code
21 IGBTM Fault Error
22 CT 2 Error (Input of Over-Current)
23 DC Link Error (High/Low DC Voltage)
25 Outdoor Unit Input Voltage High/Low Voltage
26 DC Comp Position Detection Error
27 PSC/PFC Over-Current Error (HW)
29 Comp Phase Over-Current Error
32 D-Pipe Overheating Error (INV Comp)
40 Outdoor Unit Inverter Compressor CT Sensor Fault
41 D-Pipe Sensor Error (INV Comp)
43 High pressure Sensor Error
44 Outdoor Inlet Sensor Error
45 Cond. Pipe Sensor Error
46 Suction Pipe Sensor Error
48 Cond. Out-Pipe Sensor Error
51 Over-Capacity Connection Error
Communication Error between Outdoor Device ⇔
53
Indoor Device
54 Open and Reverse Phase Error
60 EEPROM Check Sum Error
61 Outdoor Device Pipe Overheating Error
62 Heat-sink Overheating Error
65 Heat-sink Sensor Error
67 Outdoor BLDC Fan Lock Error
71 Converter CT Sensor Error of Outdoor Unit
73 PSC/PFC Over-Current Error (SW)
Contents
Error Display
Operation
Cable Remote
State
Controller
Stop CH21
Stop CH22
Stop CH23
Stop CH25
Stop CH26
Stop CH27
Stop CH29
Stop CH32
Stop CH40
Stop CH41
Stop CH43
Stop CH44
Stop CH45
Stop CH46
Stop CH48
Stop CH51
Stop CH53
Stop CH54
Stop CH60
Stop CH61
Stop CH62
Stop CH65
Stop CH67
Stop CH71
Stop CH73
Outdoor Device
Red LED Green LED
Flashing Flashing
2 times 1 time
Flashing Flashing
2 times 2 times
Flashing Flashing
2 times 3 times
Flashing Flashing
2 times 5 times
Flashing Flashing
2 times 6 times
Flashing Flashing
2 times 7 times
Flashing Flashing
2 times 9 times
Flashing Flashing
3 times 2 times
Flashing
-
4 times
Flashing Flashing
4 times 1 time
Flashing Flashing
4 times 3 time
Flashing Flashing
4 times 4 times
Flashing Flashing
4 times 5 times
Flashing Flashing
4 times 6 times
Flashing Flashing
4 times 8 times
Flashing Flashing
5 times 1 time
Flashing Flashing
5 times 3 times
Flashing Flashing
5 times 4 times
Flashing
-
6 times
Flashing Flashing
6 times 1 time
Flashing Flashing
6 times 2 times
Flashing Flashing
6 times 5 times
Flashing Flashing
6 times 7 times
Flashing Flashing
7 times 1 time
Flashing Flashing
7 times 3 times