Table of Contents
Advertisement
T
R
O
U
B
L
E
S
H
T
R
O
U
B
L
E
S
H
1
4
.
1
4
.
Outdoor Unit
DC-Inverter unitary 9K,12K,18K,24K(Main control board upside-down)
Fault code displays by LED lamps on outdoor main control board.
There are 3 LED lamps on control board, LED1,LED2 and LED3.
LED1 indicate fault code ten digit number, LED2 indicate fault code single digit number and LED3 indicate
outdoor drive control fault .
When LED3 is off, LED1 and LED 2 indicate main control failure code.
When LED3 is on, LED1 and LED 2 indicate drive control failure code.
When LED3 is flickering and LED1,LED 2 are all off, indicate compressor is preheating .
Failures display with 5s interval .It means LED will off 5s to report next failure code .
System protect codes display method is the same with main control failure code .
LED lamps will off when there is no failure ,protect or preheating.
DC-� INVERTER AIR CONDITIONER TECHNICAL&SERVICE MANUAL
O
O
T
I
N
G
O
O
T
I
N
G
123
Hide quick links:
Advertisement
Table of Contents
