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7
.
T
R
O
U
B
L
E
S
H
O
7
.
T
R
O
U
B
L
E
S
H
O
LED FALSH CONTROL：flash 300mS(T1)，off 300mS(T2)，after 2000mS(T3)fault code
repeat displays.
(as shown below)
3.Duct type indoor units of VRF---FAULT CODE DISPLAY BY INDOOR BOARD
O
T
I
N
G
O
T
I
N
G
T1 T2
Fig.2 LED FALSH CONTROL
T3
LED2 and LED5 are failure indicate
lamps，
LED2(RED) indicate fault code ten
digit number, LED5(GREEN)
indicate single digit number code
75
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Troubleshooting
