
22
Troubleshooting
20
Startup failure
H1
H1
Outdoor
21
Compressor phase current peak protection
H2
H2
Outdoor
22
Compressor phase current RMS protection
H3
H3
Outdoor
23
IPM protection
H4
H4
Outdoor
24
IPM overheat protection
H5
H5
Outdoor
25
Compressor phase circuit detection error
H6
H6
Outdoor
26
Phase loss
H7
H7
Outdoor
27
Outdoor DC fan motor error
H8
H8
Outdoor
28
Outdoor DC fan phase current detection
circuit error
H9
H9
Outdoor
29
Jumper error
L0
L0
Indoor
30
Zero detection circuit error
L1
L1
Indoor
31
Indoor fan motor error
L2
L2
Indoor
32
Indoor display communication error
between the indoorunit and outdoor unit
L3
L3
Indoor
33
Select the port level abnormal error
L4
L4
Indoor
34
Indoor EEPROM error
L5
L5
Indoor
35
Outdoor display communication error
between the indoorunit and outdoor unit
L6
L6
Outdoor
36
Communication error between the indoor
unit and wired controller
L7
L7
Indoor
37
Outdoor unit EEPROM error
P0
P0
Outdoor
38
Charging circuit error
P1
P1
Outdoor
39
Feedforward voltage protection
P2
P2
Outdoor
40
Over voltage protaction
P3
P3
Outdoor
41
Low voltage protaction
P4
P4
Outdoor
42
DC link voltage drop error
P5
P5
Outdoor