7
7
.
.
T
T
R
R
O
O
U
U
B
B
L
L
E
E
S
S
H
H
O
O
O
O
T
T
I
I
N
N
G
G
DC INVERTER AIR CONDITIONER TECHNICAL& SERVICE MANUAL V3.3
90
LED FALSH CONTROL
：
flash 300mS(T1)
，
off 300mS(T2)
，
after 2000mS(T3)fault code repeat
displays.
(as shown below)
T1 T2
T3
Fig.2 LED FALSH CONTROL
3.Duct type indoor units of VRF---FAULT CODE DISPLAY BY INDOOR BOARD
LED2 and LED5 are failure indicate
lamps，
LED2(YELLOW) indicate fault code
ten digit number, LED5(GREEN)
indicate single digit number code
