AUX Q Series - Display Error Code of Outdoor Units Indicator Lights

56
9-2 Display error code of outdoor unit's indicator lights
Dis
play by the 3 LED indicator lights on the PCB of the outdoor unit:
○ for off; ● for on; ★ for flashing.
No
.
LE
D1
LE
D2
LE
D3
Error Name Probable Trouble Location
1 ○ ○ ○
N
or
m
al (outdoor
unit standby)
Normal, all three lights off for standby
status.
2 ★ ★ ★
N
orm
al
(compressor
running)
Normal, all three lights flash while
compressor running.
3 ● ● ●
F
orc
ed service
(test mode)
Normal
4 ★ ★ ●
M
odule
protection error
Power voltage, compressor cable, reactor,
module panel, Outdoor Unit main PCB,
compressor.
5 ★ ★ ○
P
FC
protection
error
Power voltage, reactor, module panel,
Outdoor Unit main PCB.
6 ★ ● ★
C
omp
ressor
out-of-step error
Power voltage, compressor cable, module
panel, Outdoor Unit main PCB,
compressor.
7 ★ ○ ★
E
xhaus
t air sensor
error
System pressure, exhaust air sensor,
Outdoor Unit main PCB.
8 ● ★ ★
O
utdoor
Unit coil
sensor error
Outdoor Unit coil sensor, Outdoor Unit
main PCB.
9 ○ ★ ★
O
utdoor
Unit
room temperature
sensor error
Outdoor Unit room temperature sensor,
Outdoor Unit main PCB.
1
0 ★ ● ●
I
ndoor and
outdoor unit
communication
error
Connection wire, Indoor Unit main PCB,
Outdoor Unit main PCB, EE reverse
connection, module panel.
1
1 ★ ● ○
O
utdoor Unit
main PCB and
module panel
communication
error
Connection wire of module and main
control data, module panel, Outdoor Unit
main PCB
1
2 ★ ○ ● O
utdoor EE error Outdoor Unit main PCB
1
3 ★ ○ ○
O
utdoor DC
motor error
Mechanical jam of Outdoor Unit motor,
Outdoor Unit DC motor, Outdoor Unit
main PCB.