61
Failure code
When there is no failure, if the starting condition cannot be met, digital tube on master unit will
display stand-by code:
555.0
Standby state of capacity
overmatch
When capacity is over 135% or lower than 50%, the
system is standby.
555.1
Inlet water temperature
abnormal
When inlet water temperature is less than 5°C or over
45°C, the system is standby.
555.2
Standby state of super low
pressure (lack of refrigerant)
When the unit starts in cooling with Ps<0.23MPa or
heating with Ps<0.12MPa, the system is standby.
555.3
54 Degree cooling standby
High ambient models, the unit can't open if ambient
temp. above 54 degree, 7- segment board display:
"555.3"
Indoor failure code list
Indication
on master
unit
Indication
on wired
controller
Flash times of
LED5 on indoor
PCB/timer LED on
remote receiver
Failure code definition
01
01
1
Indoor ambient temp. sensor Ta failure
02
02
2
Indoor coil temp. sensor Tc1 failure
03
03
3
Indoor coil temp. sensor Tc2 failure
04
04
4
Indoor TES sensor failure
05
05
5
Indoor EEPROM failure
06
06
6
Communication between indoor and outdoor failure
07
07
7
Communication between indoor and wired controller
failure
08
08
8
Indoor drainage failure
09
09
9
Indoor repeated address
0A
0A
10
Indoor repeated central control address
Outdoor
failure
code
Outdoor
failure
code
20
Outdoor corresponding failure
