Troubleshooting by Error Code
SiUS342303E
245
Part 6 Service Diagnosis
3.3 Prediction
Codes
Prediction Code List
Pre
diction code
Seven-segment display
Description
Possible cause
Tech tips
Product type code
Prediction
code
Prediction sub code
AirNet address
display flag
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)
■
Ts sensor failure
■
Tg sensor failure
■
LP sensor failure
■
EVM1 coil failure
■
EVM1 failure
Ts: Refer to
J5
troubleshooting.
Tg: Refer to
J6
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)
■
Ts sensor failure
■
Tg sensor failure
■
LP sensor failure
■
EVM2 coil failure
■
EVM2 failure
Ts: Refer to
J5
troubleshooting.
Tg: Refer to
J6
troubleshooting.
LP: Refer to
JC
troubleshooting.
Electronic expansion valve coil: Refer to
E9
troubleshooting
If the above error is not seen, replace EVM2.
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
■
Tg sensor failure
■
Tf sensor failure
■
Ta sensor failure
■
Four way valve coil failure
■
Four way valve failure
HP: Refer to
JA
troubleshooting.
LP: Refer to
JC
troubleshooting.
Tg: Refer to
J6
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.
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.
16E-##
_ _ 1
6 0 5
- # #
—
Heat exchanger deicer thermistor
failure prediction (Tb2)
■
Tb2 sensor failure
Refer to
J6
troubleshooting.
16G-##
_ _ 1
6 0 7
- # #
—
Subcooling gas pipe thermistor failure
prediction (Tsh)
■
Tsh sensor failure
Refer to
J9
troubleshooting.
16H-##
_ _ 1
6 0 8
- # #
—
Subcooling liquid pipe thermistor
failure prediction (Tsc)
■
Tsc sensor failure
Refer to
J7
troubleshooting.
16I-##
_ _ 1
6 0 9
- # #
—
Heat exchanger liquid pipe thermistor
1 failure prediction (Tf1)
■
Tf1 sensor failure
Refer to
J8
troubleshooting.
16J-##
_ _ 1
6 1 0
- # #
—
Heat exchanger liquid pipe thermistor
2 failure prediction (Tf2)
■
Tf2 sensor failure
Refer to
J8
troubleshooting.
16L-##
_ _ 1
6 1 2
- # #
—
Compressor suction thermistor failure
prediction (Ts)
■
Ts sensor failure
Refer to
J5
troubleshooting.
16P-##
_ _ 1
6 1 6
- # #
—
Heat exchanger gas pipe thermistor 1
failure prediction (Tg1)
■
Tg1 sensor failure
Refer to
J6
troubleshooting.
16Q-##
_ _ 1
6 1 7
- # #
—
Heat exchanger gas pipe thermistor 2
failure prediction (Tg2)
■
Tg2 sensor failure
Refer to
J6
troubleshooting.
16S-##
_ _ 1
6 1 9
- # #
—
Subcooling injection thermistor failure
prediction (Tm)
■
Tm sensor failure
Refer to
J7
troubleshooting.
16U-##
_ _ 1
6 2 1
- # #
—
Electrical box air outlet thermistor
failure prediction (Tjeva)
■
Tjeva sensor failure
Refer to
J9
troubleshooting.
16V-##
_ _ 1
6 2 2
- # #
—
High pressure sensor failure
prediction (HP)
■
HP sensor failure
Refer to
JA
troubleshooting.
16W-##
_ _ 1
6 2 3
- # #
—
Low pressure sensor failure prediction
(LP)
■
LP sensor failure
Refer to
JC
troubleshooting.
20A-##
_ _ 2
0 0 1
- # #
—
Heat exchanger freeze up prediction
■
Tb sensor failure
■
Freeze
Melt frost on the outdoor heat exchanger.
30A-##
_ _ 3
0 0 1
# # #
_ _ #
Indoor unit electronic expansion valve
leak (evaporator) prediction
■
Tb sensor failure
■
Indoor leakage
Th1: Refer to
C9
troubleshooting.
Th2: Refer to
C4
troubleshooting.
Th3: Refer to
C5
troubleshooting.
LP: Refer to
JC
troubleshooting.
If the above error is not seen, the corresponding
indoor electronic expansion valve and expansion
valve coil can be considered.
31A-##
_ _ 3
1 0 1
# # #
_ _ #
Indoor unit thermistor failure
prediction (Th1)
■
Th1 sensor failure
■
Th2 sensor failure
■
Th3 sensor failure
Th1: Refer to
C9
troubleshooting.
Th2: Refer to
C4
troubleshooting.
Th3: Refer to
C5
troubleshooting.
Содержание VRV EMERION RXYQ-AATJA
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Страница 380: ...Check SiUS342303E 373 Part 6 Service Diagnosis Reference Reference CHECK 7 Refer to page 379 CHECK 8 Refer to page 380...
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