Troubleshooting by Error Code
SiUS331604E
167
Service Diagnosis
4.20 Activation of High Pressure Switch
Error Code
E3
Applicable
Models
All outdoor units
Method of Error
Detection
Abnormality is detected when the contact of the high pressure protection switch opens.
Use the protection device circuit to test high pressure switch conduction.
Error Decision
Conditions
Error is generated when the high pressure switch activation count reaches the number specific to
the operation mode.
When part of the protection device has an open circuit
Reference: Operating pressure of high pressure switch
Operating pressure: 4.0 MPa (580 psi)
Reset pressure:
3.0 MPa (435 psi)
Supposed
Causes
Activation of outdoor unit high pressure switch
Defective high pressure switch
Defective outdoor main PCB
Instantaneous power failure
Defective high pressure sensor
Summary of Contents for VRV IV-S RXTQ-TAVJU Series
Page 1: ...Service Manual SiUS331604E RXTQ36 48 60TAVJU Heat Pump 60 Hz...
Page 254: ...Wiring Diagrams SiUS331604E 241 Appendix RXTQ48TAVJU 3D100496A...
Page 255: ...SiUS331604E Wiring Diagrams Appendix 242 RXTQ60TAVJU 3D100497A...
Page 260: ...Wiring Diagrams SiUS331604E 247 Appendix FXEQ07 09 12 15 18 24PVJU C 3D098557...
Page 267: ...SiUS331604E Wiring Diagrams Appendix 254 FXTQ12 18 24 30 36 42 48 54PAVJU 3D065036G...
Page 270: ...Wiring Diagrams SiUS331604E 257 Appendix VAM1200GVJU 3D073270C...
Page 271: ...Revision History Month Year Version Revised contents 06 2016 SiUS331604E First edition...
