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Commercial Air Conditioner
Model: AU182AFERA
AD182AMERA, AS182AVERA
There is no lock function only in the wired controller. But when it is connected with a central
controller, if the central controller is set to “central”, the buttons in the wired controller will be
invalid, or the buttons will be valid.
Failure code
(for the unit with wired controller YR-E12)
:
For
remote
type,
flash
times
Failure
code on
wired
controller
For
central
control,
failure
code
Failure description
Reason
Remarks
10 08 21D
Drainage
system
abnormal
Float switch broken down
for more than 25m
continuously
○
1 01 01D
Indoor
ambient
temp.
sensor failure
sensor broken down or
short circuit for more than
2m continuously
○
2
02
02D Indoor coil temp.
sensor failure
sensor broken down or
short circuit for more than
2m continuously
○
3 4A 11D
Outdoor
ambient
temp. sensor failure
sensor broken down or
short circuit for more than
2m continuously
○
4
49
12D
Outdoor coil temp.
sensor failure
(compressor
discharging temp.
sensor)
Sensor broken down or
short circuit for more than
2m continuously
○
5 48 10D
Over-current
protection
CT check abnormal 3 times
in 30m
※
6 53 14D
High pressure
abnormal
High pressure switch acts 3
times in 30m
※
7 47 22D
Power supply
abnormal
Fault phase, short of
phase, out of balance
greatly
※
8 07 06D
Communication
between wired
controller and indoor
abnormal
Communication abnormal
for more than 4m
continuously
○
9 06 05D
Communication
between indoor and
outdoor abnormal
Communication abnormal
for more than 4m
continuously
○
11
0B
30D
Outside alarm signal
input
Outside signal broken
down for more than 10s
○
12
03
20D Gas pipe temp.
Sensor
broken
down
or
○
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