23
Error code
displayed on
wired controller
Power module temp. Protection
Low discharge temp. Protection
12
15
2C
2F
IPM failure
IPM temperature too high
Over current in compressor frequency increasing phase (power
module itself)
23
24
25
37
38
39
Flashing
times and
error code
displayed of
outdoor unit
Malfunction position
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
06
05
04
03
02
01
07
25
24
23
22
21
08
Compressor suction temp. Protection (TS)
Low pressure switch circuit
High pressure switch circuit
Compressor discharge temp. Protection (TD)
Main board eeprom 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.
09
10
13
14
16
11
29
2A
2D
2E
30
2B
26
27
28
Dc fan motor failure
The capacity of running indoor units is over load
17
31
Power supply over current
18
32
The communication failure with indoor units
Compressor over current
The communication failure with power module / not match with
power module
20
21
22
34
35
36
Failure code
YCV080, B-YCV150, YCV180 Malfunction code and malfunction confirming
The nixie light of the outdoor unit control panel displays malfunction code directly when malfunction
occurs. (This malfunction table only applies to the follow models referred in this manual.)
