Troubleshooting by Error Code
SiUS372201EB
309
Part 6 Service Diagnosis
3.3 Prediction Codes
Prediction Code List
Pr
ed
ic
tio
n
co
de
Seven-segment display
Description
Possible cause
Tech tips
Pr
od
uc
t
ty
pe
c
od
e
Pr
ed
ic
tio
n
co
de
Pr
ed
ic
tio
n
su
b
co
de
A
irN
et
a
dd
re
ss
di
sp
la
y
fla
g
10A-##
_ _ 1
0 0 1
- # #
—
Compressor overcurrent prediction
Error code
L5, L8
Same as
L8
Refer to
L5, L8
troubleshooting
12A-##
_ _ 1
2 0 1
- # #
—
EVM1 refrigerant leakage prediction
(during evaporation)
■ Tf sensor failure
■ Tg sensor failure
■ LP sensor failure
■ EVM1 coil failure
■ EVM1 failure
Tg: Refer to
J9
troubleshooting.
LP: Refer to
JC
troubleshooting.
Electronic expansion valve coil: Refer to
E9
troubleshooting
If the above error is not seen, replace EVM1.
12D-##
_ _ 1
2 0 4
- # #
—
EVM2 refrigerant leakage prediction
(during evaporation)
■ Tf sensor failure
■ Tg sensor failure
■ LP sensor failure
■ EVM2 coil failure
■ EVM2 failure
Tg: Refer to
J9
troubleshooting.
LP: Refer to
JC
troubleshooting.
Electronic expansion valve coil: Refer to
E9
troubleshooting
If the above error is not seen, replace EVM2.
12G-##
_ _ 1
2 0 7
- # #
—
EVM3 refrigerant leakage prediction
(during evaporation)
■ Tf sensor failure
■ Tg sensor failure
■ LP sensor failure
■ EVM3 coil failure
■ EVM3 failure
Tg: Refer to
J9
troubleshooting.
LP: Refer to
JC
troubleshooting.
Electronic expansion valve coil: Refer to
E9
troubleshooting
If the above error is not seen, replace EVM3.
14A-##
_ _ 1
4 0 1
- # #
—
Four way valve (20SA1) intermediate
stop prediction
■ HP sensor failure
■ LP sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14B-##
_ _ 1
4 0 2
- # #
—
Four way valve (20SA1) switching
failure prediction
■ HP sensor failure
■ LP sensor failure
■ Tf sensor failure
■ Tg sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
Tg: Refer to
J9
troubleshooting.
Tf: Refer to
J8
troubleshooting.
Ta: Refer to
H9
troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14C-##
_ _ 1
4 0 3
- # #
—
Four way valve (20SA2) intermediate
stop prediction
■ HP sensor failure
■ LP sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14D-##
_ _ 1
4 0 4
- # #
—
Four way valve (20SA2) switching
failure prediction
■ HP sensor failure
■ LP sensor failure
■ Tf sensor failure
■ Tg sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
Tg: Refer to
J9
troubleshooting.
Tf: Refer to
J8
troubleshooting.
Ta: Refer to
H9
troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14E-##
_ _ 1
4 0 5
- # #
—
Four way valve (20SA3) intermediate
stop prediction
■ HP sensor failure
■ LP sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14F-##
_ _ 1
4 0 6
- # #
—
Four way valve (20SA3) switching
failure prediction
■ HP sensor failure
■ LP sensor failure
■ Tf sensor failure
■ Tg sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
Tg: Refer to
J9
troubleshooting.
Tf: Refer to
J8
troubleshooting.
Ta: Refer to
H9
troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14G-##
_ _ 1
4 0 7
- # #
—
Four way valve (20SB) intermediate
stop prediction
■ HP sensor failure
■ LP sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
14H-##
_ _ 1
4 0 8
- # #
—
Four way valve (20SB) switching
failure prediction
■ HP sensor failure
■ LP sensor failure
■ TsA sensor failure
■ Ts sensor failure
■ Th1 sensor failure
■ Th2 sensor failure
■ Th3 sensor failure
■ Four way valve coil failure
■ Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
TsA: Refer to
J5
troubleshooting.
Ts: Refer to
J5
troubleshooting.
Th1: Refer to
C9
troubleshooting.
Th2: Refer to
C4
troubleshooting.
Th3: Refer to
C5
troubleshooting.
If the above error is not seen, compressor, four
way valve coil, or four way valve is defective.
16A-##
_ _ 1
6 0 1
- # #
—
Discharge pipe thermistor failure
prediction (Tdi)
■ Tdi sensor failure
Refer to
J3
troubleshooting.
16B-##
_ _ 1
6 0 2
- # #
—
Compressor body thermistor failure
prediction (Ti)
■ Ti sensor failure
Refer to
J3
troubleshooting.
16C-##
_ _ 1
6 0 3
- # #
—
Outdoor air thermistor failure
prediction (Ta)
■ Ta sensor failure
Refer to
H9
troubleshooting.
16D-##
_ _ 1
6 0 4
- # #
—
Heat exchanger deicer thermistor
failure prediction (Tb1)
■ Tb sensor failure
Refer to
J6
troubleshooting.
16G-##
_ _ 1
6 0 7
- # #
—
Subcooling heat exchanger
gas pipe thermistor failure prediction
(Tsh)
■ Tsh sensor failure
Refer to
J9
troubleshooting.
16H-##
_ _ 1
6 0 8
- # #
—
Subcooling heat exchanger liquid
pipe thermistor failure prediction (Tsc)
■ Tsc sensor failure
Refer to
J7
troubleshooting.
Summary of Contents for VRV EMERION REYQ-AATJA
Page 1: ...Service Manual Heat Recovery 60 Hz REYQ AATJA B 208 230 V REYQ AAYDA B 460 V SiUS372201EB...
Page 492: ...Wiring Diagrams SiUS372201EB 485 Part 7 Appendix BS6 8Q54TVJ 2D089122B...
Page 493: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 486 BS10 12Q54TVJ 2D089121B...
Page 499: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 492 FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
Page 501: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 494 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 505: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 498 FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 506: ...Wiring Diagrams SiUS372201EB 499 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 513: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 506 FXHQ12 24 36MVJU 3D048116C...
Page 514: ...Wiring Diagrams SiUS372201EB 507 Part 7 Appendix FXAQ07 09 12 18 24PVJU 3D075354F...
Page 521: ...SiUS372201EB Wiring Diagrams Part 7 Appendix 514 VAM1200GVJU 3D073270D...