Commercial Air Conditioner
Model: AU182AFERA
AD182AMERA, AS182AVERA
electrified after being powered off.
Failure
code
Emission
code
Outdoor
indicator display
Failure description
Corresponding outdoor CBD failure
01 01
00001
Power module
IPM protection
02 02
00010
DC fan motor failure
DC fan motor failure
03 no
00011
Communication
failure
Outodor alarms, not sends to indoor.
If no communication in 4 minutes, outdoor
shuts off and alarm, the failure can be
resumable.
04 04
00100
Compressor
discharging
temperature too high
Discharging temp. over 117
℃
, it will confirm
3 times in 30 minutes and then send signal to
indoor.
05 05
00101
Over current
AC current overhigh protection or current
transducer broken down.
06 06
00110
Outdoor ambient
temp. sensor failure
Resumable, if sensor is disconnected, alarm
will occur and keeps for 3 minutes, then
resumes due to signal.
07 07
00111
Outdoor coil temp.
sensor failure
Outdoor defrosting sensor, discharging
sensor abnormal
08 08
01000
High pressure switch
failure
Acts 3 times in 30 minutes
09 09
01001
Discharging temp.
sensor failure
Alarm 4 minutes later after starting up,
discharging temperature abnormal
10 10
01010
Power supply over
high/low voltage
Pre-set for 50Hz
11
No
No
Overload in heating
No send signal to indoor
12
No
No
No
No send signal to indoor
13
No
No
No
No send signal to indoor
14 14
01110
Outdoor EEPROM
failure
Outdoor EEPROM failure
15 1
01111
Power module failure
Compressor blocked
16 1
10000
Power module failure
Compressor heavy vibration
17 1
10001
Power module failure
Abnormal compressor startup
18 18
10010
Power module failure
Compressor running faulty
19 19
10011
Power module failure
Detecting circuit abnormal
20 1
10100
Power module failure
Compressor broken down
21 No
10101
Compressor suction
temp. too high—for
the unit with EEV
10 minutes later after startup, measure TS
over 40
℃
for 5 minutes
22 No
10110
Communication failure
between outdoor PCB
and the module
Not communicate for 4 minutes contineously,
it will alarm
23 1
10111
Module malfunction
Module temp. over high
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