Error Indicator (Outdoor) - LG ATNH09GRLE2 Svc Manual

4. Trouble Shooting

1.2 Error Indicator (Outdoor)

2 Times 2 Times
LED01G
(RED)
1 Sec. 1 Sec.
1 Time
LED02G
(GREEN)
2 Sec.
UU18W/24W/30W
Operation
Code Contents
21 IPM Fault Error
CT 2 Error (Input of Over-
22
Current)
DC Link Error (High/Low DC
23
Voltage)
Pressure Switch High/Low
24
Pressure Fault
Input Frequency Detection
25
Failure
DC Comp Position Detection
26
Error
PSC/PFC Over-Current Error
27
(HW)
Comp Phase Over-Current
29
Error
D-Pipe Overheating Error (INV
32
Comp)
D-Pipe Overheating Error
33
(Constant-rate Comp)
D-Pipe Sensor Error (INV
41
Comp)
43 High pressure Sensor Error
44 Outdoor Inlet Sensor Error
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Only for training and service purposes
2 Times
Outdoor Error
Ex) Error 21 (DC Peack)
1 Sec.
1 Time 1 Time
2 Sec.
UU36W/42W/48W/60W
Error Display
Outdoor Device
Cable
State
Remote
Green
Controller Red LED
LED
Flashing 2 Flashing 1
Stop CH21
times time
Flashing 2 Flashing 2
Stop CH22
times times
Flashing 2 Flashing 3
Stop CH23
times times
Flashing 2 Flashing 4
Stop CH24
times times
Flashing 2 Flashing 5
Stop CH25
times times
Flashing 2 Flashing 6
Stop CH26
times times
Flashing 2 Flashing 7
Stop CH27
times times
Flashing 2 Flashing 9
Stop CH29
times times
Flashing 2 Flashing 2
Stop CH32
times times
Flashing 3 Flashing 3
Stop CH33
times times
Flashing 4 Flashing 1
Stop CH41
times time
Flashing 4 Flashing3
Stop CH43
times time
Flashing 4 Flashing 4
Stop CH44
times times
UU37W/43W/49W/61W
Count Contents
Code
10 time
45 Cond. Pipe Sensor Error
Within 1h
Infinite
46 Suction Pipe Sensor Error
restart
Infinite D-Pipe Sensor Error (Constant-
47
restart rate Comp)
Infinite Over-Capacity Connection
51
restart Error
1 time Communication Error between
53
Within 1h Outdoor Device Indoor Device
1 time
54 Open and Reverse Phase Error
Within 1h
10 time
60 EEPROM Check Sum Error
Within 1h
10 time Outdoor Device Pipe Overheat-
61
Within 1h ing Error
Infinite
62 Heat-sink Overheating Error
restart
Infinite
65 Heat-sink Sensor Error
restart
1 time
67 Outdoor BLDC Fan Lock Error
Within 1h
PSC/PFC Over-Current Error
1 time
73
(SW)
Within 1h
1 time
Within 1h
- 57 -
Error Display
Operation
Outdoor Device
Cable
State
Remote
Green
Controller Red LED
LED
Flashing 4 Flashing 5
Stop CH45
times times
Flashing 4 Flashing 6
Stop CH46
times times
Flashing 4 Flashing 7
Stop CH47
times times
Flashing 5 Flashing 1
Stop CH51
times time
Flashing 5 Flashing 3
Stop CH53
times times
Flashing 5 Flashing 4
Stop CH54
times times
Flashing 6
Stop CH60 -
times
Flashing 6 Flashing 1
Stop CH61
times time
Flashing 6 Flashing 2
Stop CH62
times times
Flashing 6 Flashing 5
Stop CH65
times times
Flashing 6 Flashing 7
Stop CH67
times times
Flashing 7 Flashing 3
Stop CH73
times times
LGE Internal Use Only
Count
1 time
Within 1h
1 time
Within 1h
1 time
Within 1h
1 time
Within 1h
1 time
Within 1h
10 time
Within 1h
1 time
Within 1h
Infinite
restart
Infinite
restart
1 time
Within 1h
10 time
Within 1h
10 time
Within 1h