Troubleshooting by Error Code
SiUS341802E
229
Service Diagnosis
2.42 High Pressure Sensor Abnormality
Error Code
JA
Applicable
Models
All outdoor unit models
Method of Error
Detection
Detect according to temperature detected with the high pressure sensor.
Error Decision
Conditions
The high pressure sensor is short circuit or open circuit.
(Pressure range: 0-4.3 MPa (0-624 psi))
Supposed
Causes
Defective high pressure sensor
Connection of low pressure sensor in mistake for high pressure sensor
Defective outdoor unit main PCB
Defective connection of high pressure sensor
Troubleshooting
Are the
characteristics
of the high pressure
sensor normal? (Make a
comparison between voltage
characteristics and gauge
pressure.)
Replace the high pressure sensor
(S1NPH).
Replace the outdoor unit main PCB
(A1P).
NO
Is the PCB
detection pressure
normal? Make a
comparison between data on
pressure checked by the Service
Checker and the voltage
characteristics.
Replace the outdoor unit main PCB
(A1P).
NO
Are the
characteristics of the
high pressure sensor
normal?
Replace the high pressure sensor
(S1NPH).
NO
YES
YES
YES
Reset the operation, and restart
operation.
(1) Mount a pressure gauge on the
high pressure service port.
(2) Connect the Service Checker for
VRV systems.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
CHECK 12
CHECK 12
CHECK 12
Содержание Aurora Series
Страница 316: ...Wiring Diagrams SiUS341802E 303 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RXLQ72TATJU 2D112580A ...
Страница 317: ...SiUS341802E Wiring Diagrams Appendix 304 RXLQ96 120TATJU 2D112581A ...
Страница 318: ...Wiring Diagrams SiUS341802E 305 Appendix RXLQ72TAYDU 2D112582A ...
Страница 319: ...SiUS341802E Wiring Diagrams Appendix 306 RXLQ96 120TAYDU 2D112583A ...
Страница 320: ...Wiring Diagrams SiUS341802E 307 Appendix RXLQ72 96 120TAYCU RXYQ72 96 120 144 168TAYCU 2D112579A ...
Страница 330: ...Wiring Diagrams SiUS341802E 317 Appendix 1 3 2 Energy Recovery Ventilator VAM Series VAM300 470 600GVJU 3D073269C ...
Страница 331: ...SiUS341802E Wiring Diagrams Appendix 318 VAM1200GVJU 3D073270C ...
Страница 332: ...Revision History Month Year Version Revised contents 04 2018 SiUS341802E First edition ...