SiUS092230EA
Troubleshooting for Outdoor Unit
Part 6 Service Diagnosis
159
7.2 Actuation of High Pressure Switch
Applicable
Models
RX15/18/24WMVJU9
Error Code
E3
Method of Error
Detection
Abnormality is detected when the contact of the high pressure switch opens.
Error Decision
Conditions
High pressure switch (S1PH) activating pressure: 4.15 MPa (602 psi)
High pressure switch (S1PH) recovery pressure: 3.2 MPa (464 psi)
Supposed
Causes
Actuation of high pressure switch (S1PH)
Closed stop valve
Disconnection of connector S40
Disconnection of 2 terminals of high pressure switch (S1PH)
Defective outdoor unit PCB
Broken S1PH harness
Defective high pressure switch (S1PH)
Summary of Contents for RX-W Series
Page 1: ... Applied Models Inverter Pair Heat Pump Service Manual SiUS092230EA Inverter Pair RX W Series ...
Page 207: ...SiUS092230EA Check Part 6 Service Diagnosis 201 15 18 24 class R25105 1 2 3 4 Multimeter ...
Page 209: ...SiUS092230EA Check Part 6 Service Diagnosis 203 15 18 24 class R20704 W V U DC_P1 DC_N1 ...
Page 239: ...SiUS092230EA Piping Diagrams Part 8 Appendix 233 RX24WMVJU9 3D141502 ...