29
Failure code
When there is no failure, if the starting condition can not be met, digital tube on master unit will
display stand-by code:
555
6WDQGE\VWDWHRIFDSDFLW\RYHU
-
match
:KHQFDSDFLW\LVRYHURUORZ
-
HUWKDQWKHV\VWHPLVVWDQGE\
Resumable
555.1
Outdoor ambient temperature too
KLJKKHDWLQJ
Ta>27
ć
, Standby
555.3
Outdoor ambient temperature too
KLJKRUWRRORZFRROLQJ
Ta>54
ć
or Ta<-10
ć
, Standby
555.4
Crankcase heater working
Oil temperature is too low
Indication on
master unit
Indication
on wired
controller
Flash times of
LED5 on indoor
PCB/timer LED on
UHPRWHUHFHLYHU
)DLOXUHFRGHGH¿QLWLRQ
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 TW 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
Indoor failure code list
