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
91
2.OUTDOOR UNIT FAULT CODE DISPLAY
（
1
）
ON/OFF UNITARY TYPE
（
with outdoor control box
）
Fault code display by indicate lamps of outdoor control board flash.
The times that the lamp flashes equal to fault code.
LED FALSH CONTROL
：
flash 300mS(T1)
，
off 300mS(T2)
，
after 900mS(T3)fault code repeat displays.
(as shown below)
T1 T2
T3
（
2
）
INVERTER UNITARY AIR CONDITONER , MULTI-SPLIT TYPE AIR CONDITONER&VRF
：
Fault code will display on digital tube board.
LED2-fault code lamp
