25
Failure code
The lamp of the outdoor unit control PCB indicates failure code when malfunction occurs. (This
malfunction table only applies to the follow models referred in this manual.)
Flashing
times and
error code
displayed of
outdoor unit
Error code
displayed on
wired controller
Failure code description
Outdoor unit defrost temp. Sensor TE circuit
Outdoor unit ambient temp. Sensor TA circuit
Compressor suction temp. Sensor TS circuit
Compressor discharge temp. Sensor TD circuit
Condenser coil temp. Sensor TC
The protocol is not match with that model
Current sensor failure
Dc fan motor failure
The current indoor unit qty is different from the qty of indoor
units which were locked. Please refer to outdoor unit PCB
dipswitch setting.
Main board not sure failure
Compressor discharge temp. Protection (TD)
Power module temp. Protection
High pressure switch circuit
Low pressure switch circuit
Low discharge temp. Protection
Compressor suction temp. Protection (TS)
The capacity of running indoor units is over load
Power supply over current
The communication failure with power module / not match with
power module
Compressor over current
The communication failure with indoor units
IPM failure
IPM temperature too high
Over current in compressor frequency increasing phase (power
module itself)
21
22
23
24
25
26
27
28
29
2A
2B
2C
2D
2E
2F
30
31
32
34
35
36
37
38
39
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
20
21
22
23
24
25
YV2VYH010KAR-D-X YV2VYH015KAR-D-X YV2VYH015KAS-D-X YV2VYH018KAS-D-X
Malfunction code and malfunction confirming