Troubleshooting; Fault Codes - Trane CXAJ065 Installation, Operation And Maintenance Manual

Troubleshooting

Fault Codes

No. PCB Port
1 TH1
2 TH2
3 TH3
4 TH4
5 TH5
6 TH6
7 TH7
8 TH8
9 TH9
10 TH10
11 TH11
12 TH12
13 CN13
14 CN14
15 IND3
16 IND4
17 IND5
18 IND6
19 IND8
20 IND9
21 CN13
22 CN14
TH2 and
23
TH1-TH2
24 TH3、TH8
25 CN13
26 CN14
27 TH4、TH9
28 TH7
Communication failure between PCB and modular
29 CN29
Communication failure between unit controller and
30 CN4/XP1
TH5,TH6,
31
TH10,TH11
32 CN15 No.15 analog sensor fault (discharge pressure A)
33 CN16 No.15 analog sensor fault (discharge pressure B)
34 / / /
35 / / / Water inlet and outlet connected reversely
PKGP-SVX18B-EN
Fault Description
No.1 analog sensor fault
No.2 analog sensor fault
No.3 analog sensor fault
No.4 analog sensor fault
No.5 analog sensor fault
No.6 analog sensor fault
No.7 analog sensor fault
No.8 analog sensor fault
No.9 analog sensor fault
No.10 analog sensor fault
No.11 analog sensor fault
No.12 analog sensor fault
No.13 analog sensor fault
No.14 analog sensor fault
High-pressure alarm of systemA
High-pressure alarm of systemB
Water flow switch alarm
Overload of water pump
Overload of compressor 1
Overload of compressor 2
Low-pressure alarm of systemA
Low-pressure alarm of systemB
Freezing protection
Abnormal suction temperature
Low pressure overrun A
Low pressure overrun B
Coil superheating
Ambient temperature out of range
controller
PCB
Abnormal discharge temperature
Unit locked
Code on
Code on unit
Modular
controller
controller
20 20
21 21
22 22
23 23
24 24
25 25
26 26
27 27
28 28
29 29
2A 2A
2B 2B
2C 2C
2D 2D
H2 65
H1 64
FL 6D
OP 6A
C1 68
C2 69
L1 66
L2 67
E3 8D
E4 91
78 78
7A 7A
98 98
87 87
ED -
EE -
AC,AD, AC,AD,
AE,AF AE,AF
2E 2E
2F 2F
E0 E0
A0 A0
Fault Handling
Shut down
Shut down
Shut down
Shut down
Shut down
Shut down
Shut down
Shut down 2
Shut down 2
Shut down 2
Shut down 2
Shut down 4
Shut down
2
Shut down
Shut down 2
Shut down
Shut down
Shut down
Shut down
Shut down 2
Shut down
Shut down 2
Shut down all compressors, and keep
the pump continuously running
Shut down all compressors, and keep
the pump continuously running
Shut down the compressors of the
system A. If the fault occurs for two
times within 1 hour, shut down and
give an alarm.
Shut down the compressors of the
system B. If the fault occurs for two
times within 1 hour, shut down and
give an alarm 2
Shut down 2
Shut down
Shut down
Shut down
Shut down
Shut down
Shut down
Forbid starting
Shut down and alarm
1
1 2
41