Outdoor Unit Error - LG UBN24R Owner's Manual

SELF-DIAGNOSIS FUNCTION
36

Outdoor Unit Error

2 Times
LED01G
(RED)
1 second
1 Time
LED02G
(GREEN)
2 seconds
Standard Inverter : 24 k
Operation
Code Contents
State
21 IPM Fault Error Stop
CT 2 Error (Input of Over-
22 Stop
Current)
DC Link Error (High/Low DC
23 Stop
Voltage)
Pressure Switch High/Low
24 Stop
Pressure Fault
Input Frequency Detection
25 Stop
Failure
DC Comp Position Detection
26 Stop
Error
PSC/PFC Over-Current Error
27 Stop
(HW)
Comp Phase Over-Current
29 Stop
Error
D-Pipe Overheating Error (INV
32 Stop
Comp)
D-Pipe Overheating Error
33 Stop
(Constant-rate Comp)
Low Pressure Error of
35 Stop
Outdoor Unit
38 Refrigerant Leakage Error Stop
D-Pipe Sensor Error (INV
41 Stop
Comp)
43 High pressure Sensor Error Stop
44 Outdoor Inlet Sensor Error Stop
2 Times 2 Times
1 second 1 second
1 Time 1 Time
2 seconds
Error Display
Outdoor Device Count
Cable
Remote
Green
Controller Red LED
LED
Flashing 2 Flashing 1 10 times
CH21
times time Within 1h
Flashing 2 Flashing 2 Infinite
CH22
times times restart
Flashing 2 Flashing 3 Infinite
CH23
times times restart
Flashing 2 Flashing 4 Infinite
CH24
times times restart
Flashing 2 Flashing 5 1 time
CH25
times times Within 1h
Flashing 2 Flashing 6 1 time
CH26
times times Within 1h
Flashing 2 Flashing 7 10 times
CH27
times times Within 1h
Flashing 2 Flashing 9 10 times
CH29
times times Within 1h
Flashing 3 Flashing 2 Infinite
CH32
times times restart
Flashing 3 Flashing 3 Infinite
CH33
times times restart
Flashing 3 Flashing 5 6 times
CH35
times times Within 1h
Flashing 3 Flashing 5 4 times
CH38
times times Within 3h
Flashing 4 Flashing 1 1 time
CH41
times time Within 1h
Flashing 4 Flashing 3 1 time
CH43
times time Within 1h
Flashing 4 Flashing 4 1 time
CH44
times times Within 1h
Standard Inverter : 36 / 48 k
Operation
Contents
Code State
45 Cond. Pipe Sensor Error Stop
46 Suction Pipe Sensor Error Stop
D-Pipe Sensor Error (Constant-
47 Stop
rate Comp)
Over-Capacity Connection
51 Stop
Error
Communication Error between
53 Stop
Outdoor Device Indoor Device
54 Open and Reverse Phase Error Stop
60 EEPROM Check Sum Error Stop
Outdoor Device Pipe Overheat-
61 Stop
ing Error
62 Heat-sink Overheating Error Stop
65 Heat-sink Sensor Error Stop
67 Outdoor BLDC Fan Lock Error Stop
PSC/PFC Over-Current Error
73 Stop
(SW)
Error Display
Outdoor Device Count
Cable
Remote
Green
Controller Red LED
LED
Flashing 4 Flashing 5 1 time
CH45
times times Within 1h
Flashing 4 Flashing 6 1 time
CH46
times times Within 1h
Flashing 4 Flashing 7 1 time
CH47
times times Within 1h
Flashing 5 Flashing 1 1 time
CH51
times time Within 1h
Flashing 5 Flashing 3 1 time
CH53
times times Within 1h
Flashing 5 Flashing 4 10 times
CH54
times times Within 1h
Flashing 6 1 time
CH60 -
times Within 1h
Flashing 6 Flashing 1 Infinite
CH61
times time restart
Flashing 6 Flashing 2 Infinite
CH62
times times restart
Flashing 6 Flashing 5 1 time
CH65
times times Within 1h
Flashing 6 Flashing 7 10 times
CH67
times times Within 1h
Flashing 7 Flashing 3 10 times
CH73
times times Within 1h