Trouble
shooting
Error Contents
4-2-3 Error Code List for Outdoor Unit
Error
Code
Auto Address Setting Error
Indoor Unit Error
Initial Setting Error
Inverter PCB short intereuption detection
Inverter Error
Inverter Communication Error
Outdoor Unit EEPROM Access Error
EEPROM Data corrupted Error
Outdoor Unit transmission PCB
Parallel Communication Error
20
19
18
16
15
17
Signal Amplifier Auto Address Setting Error
Trouble
shooting
Error Contents
High Pressure Switch Error
Suction Pressure Sensor Error
Current Sensor Error
SC HE. Liquid Outlet Temp Sensor Error < TH7 >
SC HE. Gas Outlet Temp. Sensor Error < TH9 >
SC HE. Gas Inlet Temp. Sensor Error < TH8 >
Discharge Pressure Sensor Error
Heat Sink Temp. Sensor Error < IPM built in >
Suction Gas Temp. Sensor Error < TH4 >
Outdoor Temp. Sensor Error < TH3 >
Heat Ex. Liquid pipe Temp. Sensor Error < TH5 >
33
32
31
30
29
28
27
26
25
24
23
21
- - - -
2 8 . 1
5 U . 1
6 2 . 8
6 2 . 3
6 2 . 6
6 3 . 1
6 7 . 2
6 9 . 1
2 8 . 4
7 2 . 1
7 3 . 3
7 4 . 1
7 5 . 1
7 7 . 1
8 2 . 1
8 2 . 2
8 3 . 2
8 4 . 1
8 6 . 1
8 6 . 3
8 6 . 4
7 1 . 1
Compressor Temp. Sensor Error < TH10 >
Discharge Temp. Sensor Error < TH1 >
22
Outdoor unit FAN motor under voltage
(Lack of DC Voltage)
Outdoor Unit Fan Motor Lock Error
(Start up Error)
Compressor Motor Loss of Synchronization
Trip Detection
Inverter Compressor Start Up Error
Outdoor Unit Fan Motor 1 Temperature Abnormal 39
38
37
36
35
34
Error
Code
9 3 . 1
9 4 . 1
9 5 . 5
9 7 . 1
9 7 . 4
9 7 . 5
A 1 . 1
A 3 . 1
A 4 . 1
A 4 . 2
A 5 . 1 Low Pressure Abnormal
High Pressure Protection 1
High Pressure Abnormal
Compressor Temperature Abnormal
Discharge Temperature Abnormal
45
44
43
42
41
12
1 - 11
04-05
46
47
48
1 4 . 5
The number of Indoor unit shortage
Outdoor Unit Fan Motor 2 Temperature Abnormal 39
379 8 . 1
9 8 . 5
Coil ( Expansion Valve 1 ) Error 409 A . 1
Coil ( Expansion Valve 2 ) Error 409 A . 2
14
1 4 . 2
Outdoor unit Network communication abnormal 2
Outdoor Unit Fan Motor Lock Error
(Start up Error)
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