Airwell YUDA060, Service Manual

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6.1.2. Diagnostic code for indoor unit
Flash times of
timeing LED(or
indoor PCB
Flash times of
Running LED
0 1 01 E
1
temperature sensor Ta
faulty
Sensor disconected ， or
broken ， or at wrong
position
，
or short circuit
0 2
02 E
2
temperature sensor Te
faulty
Sensor disconected
，
or
broken
，
or at wrong
position ， or short circuit
0 4
04 F
8 EEPROM WRONG Faulty indoor unit PCB
0 7 07 E9
Abnormal communication
between indoor and
outdoor units
Wrong connection ， or the
wires be
disconected
，
or wrong
address setting of indoor
unit
，
or faulty power
supply or faulty PCB
0 8 08 E8
Abnormal
communication
between
indoor wired controller
and
indoor
unit
PCB
Abnormal communication
between indoor wired
controller and indoor unit
PCB
0 12 0
C
E0
Drainage system
abnormal
P
ump motor
disconnected
，
or at wrong
position ， or the float
switch broken down ， or
the float switch
disconected
， or at wrong
0 13 0 D EF zero cross sigal wrong
zero cross sigal detected
wrong
0 16 10 F3 i
ndoor mode abnormal
d
ifferent from outdoor unit
mode
2
1 15 / outdoor unit abnormal
2
2 16 / outdoor unit abnormal
2
4 18 / outdoor unit abnormal
2
5 19 / outdoor unit abnormal
2 7 1B
/ outdoor unit abnormal
2 8 1C
/ outdoor unit abnormal
2 9 1D
/ outdoor unit abnormal
3 0 1E
/ outdoor unit abnormal
3 1 1F
/ outdoor unit abnormal
3 2 20
/ outdoor unit abnormal
3 3 21
/ outdoor unit abnormal
3
5 23 / outdoor unit abnormal
3
6 24 / outdoor unit abnormal
3
7 25 / outdoor unit abnormal
3
8 26 / outdoor unit abnormal
3
9 27 / outdoor unit abnormal
4
3 2B / outdoor unit abnormal
4
4 2C
/ outdoor unit abnormal
4 7 2F
/ outdoor unit abnormal
4 8 30
/ outdoor unit abnormal
4 9 31
/ outdoor unit abnormal
5 8 3A
/ outdoor unit abnormal
5 9 3B
/ outdoor unit abnormal
6 3 3F
/ outdoor unit abnormal
6 4 40
/ outdoor unit abnormal
1. For the indoor failure ， only running LED of remote receiver will indicate.
2. For the outdoor failure ， timer LED and running LED will indicate.timer LED of remote receiver stands for ten's place,and running
LED stands for one's place.timer LED will flash firstly,2 seconds later,running LED will flash too. Afer that,4 seconds later,they will
flash in turns again.Flash times equals to the failure code of outdoor plus
20.For example,failure code of outdoor is 2,the indoor unit should display 22.As a result,timer LED flashes twice firstly,then running
LED flashes twice.
3.To get much more details of outdoor unit failure,Please refer to the the outdoor unit trouble shooting list
refer to the outdoor unit
trouble shooting
list
Failure code(from receive board)
Failure code(from
wired controller)
Failure
code(from
panel
controller )
trouble shooting Possible reasons
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