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SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
235
5.26 Activation of Low Pressure Sensor
Applicable
Models
All outdoor unit models
Error Code
E4
Method of Error
Detection
Make judgment of pressure detected by the low pressure sensor with the outdoor unit main
PCB.
Error Decision
Conditions
When low pressure caused a drop while the compressor is in operation:
Operating pressure: 0.07 MPa
Supposed
Causes
Abnormally drop in low pressure
Defective low pressure sensor
Defective outdoor unit main PCB
The stop valve is not opened
Summary of Contents for VRV S RXMQ10ARY1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...