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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
200
4.31 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 RXSQ24TAVJU
Page 1: ...Service Manual SiUS331708EA RXSQ24 36 48 60TAVJU Heat Pump 60 Hz...
Page 290: ...Wiring Diagrams SiUS331708EA 277 Appendix RXSQ48TAVJU 3D109546A...
Page 291: ...SiUS331708EA Wiring Diagrams Appendix 278 RXSQ60TAVJU 3D109547A...
Page 295: ...SiUS331708EA Wiring Diagrams Appendix 282 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 298: ...Wiring Diagrams SiUS331708EA 285 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 300: ...Wiring Diagrams SiUS331708EA 287 Appendix FXSQ05 07 09 12 15 18 24 30 36 48 54TAVJU 3D110467B...
Page 301: ...SiUS331708EA Wiring Diagrams Appendix 288 FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Page 302: ...Wiring Diagrams SiUS331708EA 289 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 303: ...SiUS331708EA Wiring Diagrams Appendix 290 FXAQ07 09 12 18 24PVJU 3D075354C...
Page 309: ...SiUS331708EA Wiring Diagrams Appendix 296 VAM1200GVJU 3D073270D...