Western Airconditioning SKOV2-18, User And Installation Manual, Page: 24 / 29

21
Troubleshooting
Error Description
If some error occurs when the unit is running, the error code will be displayed on the wired
controller or the display board of the indoor unit. Check for more details about the meaning
of each error, as shown in table17.
Table 17
No. Error Item
Display
Board
Wired
Controller
Display
Error
Type
1 Oil return for cooling b0 b0 Indoor
2 Anti-cold protection b1 b1 Indoor
3 Refrigerant recovery mode b2 b2 Indoor
4 Filter cleaning reminder CL CL Indoor
5 Trail running LL LL Indoor
6 Compressor rms phase current limit down d0 d0 Outdoor
7 Rms machine current limit down d1 d1 Outdoor
8 Exhaustgas temperature limit down d2 d2 Outdoor
9 Anti-freeze limit down d3 d3 Outdoor
10 Overload limit down d4 d4 Outdoor
11 IPM temp limit down d5 d5 Outdoor
12 Peak current limit down machine d6 d6 Outdoor
13 Oil return for heating or defrosting dF dF Indoor
14 High discharge temp protection E0 E0 Outdoor
15 Overload protection E1 E1 Outdoor
16 Comperssor overload protection E2 E2 Outdoor
17 Shutdown for whole unit anti-freeze
protection E3 E3 Outdoor
18 Outdoor amibient temp abnormal protection E8 E8 Outdoor
19 Compressor stalling H0 H0 Outdoor