No
Fault Name
5 4 3 2 1
1
ICT is disconnected
2
ICT is shorted
3
RAT is disconnected
1 1
4
RAT is shorted
1
5 Reserved
1
1
6
ICTE
Shorted/Disconneted
0 0 1 1 0
7
Undefined IDU Family/Model
1 1 1
8 No
Communication
1
9 No
Encoder
1
1
10
Reserved
0 1 0 1 0
11
Outdoor Unit Fault
0
1
0
1
1
… Reserved
17 Defrost
protection
1
1
18 Deicing
Protection
1
1
19
Outdoor Unit Protection
1
1 1
20
Indoor Coil HP Protection
1
1
21 Overflow Protection
1
1
1
… Reserved
24
EEPROM Not Updated
1
1
25 Bad
EEPROM
1
1
1
26 Bad
Communication
1
1
1
27
Using EEPROM data
1
1
1 1
28 Model
A
1 1 1
29 Model
B
1 1 1
1
30
Model
C
1 1 1 1
31
Model
D
1 1 1 1 1
1 - ON, 0 - OFF
Only one code is shown. Order of priority is lower to the higher number. Diagnostics is
continuously ON as long power is on.
13.4.4
Indoor unit diagnostics and corrective actions
No. Fault
Probable
Cause Corrective
Action
1-4,6 Sensor
failures
Sensors not
connected or
damaged
Check Thermistor (
13.5.10
)
7
Undefined IDU
Family/Model
IDU is not a valid
model or family
IDU jumper configuration is not correct
8 No
Communication
IDU-ODU
communication
Check communication between indoor
and outdoor units (
Error! Reference
source not found.
)
9 No
Encoder
Indoor electronics or
motor
Check motor wiring, if ok, replace motor
If still not ok
replace Indoor electronic assembly
(
14.2.2
)
11
Outdoor Unit Fault
Outdoor controller
problem
Check for any fault code shown on
outdoor unit display board and act
accordingly (
13.4
).
17-18 Protections
Indication
No
action
TROUBLESHOOTING
1
3
-10
SM
HJD
DCI 1-A GB
Summary of Contents for AW-HJD009-N11
Page 46: ...9 SM HJD DCI 1 A 2 GB ...
Page 53: ...CONTROL SYSTEM 12 SM HJD DCI 1 A 1 GB SM HJD DCI 1 A 2 GB ...
Page 72: ...3 3 3 3 3 12 4 3 4 12 4 4 12 4 4 1 12 4 4 2 12 4 4 3 CONTROL SYSTEM 12 23 SM HJD DCI 1 A GB ...
Page 92: ...12 11 7 Segme ent Legend d CONTROL SYSTEM 12 44 SM HJD DCI 1 A GB 3 ...
Page 109: ...5 5 HJD00 0 SM HJD DCI 1 A 2 GB 14 14 1 14 1 ...
Page 112: ...5 4 HJD0 SM HJD DCI 1 A 2 GB 4 4 ...
Page 114: ...5 6 HJD0 SM HJD DCI 1 A 2 GB 4 4 ...
Page 117: ...5 8 YBDE00 0 18 SM HJD DCI 1 A 2 GB 4 4 14 9 14 9 012 DCI ...
Page 131: ...SM HJD DCI 1 A 2 GB 5 ...
Page 132: ... SERVICE MANUAL HJD DCI Series ...