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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
202
4.32 Activation of Low Pressure Sensor
Error Code
E4
Applicable
Models
All outdoor units
Method of Error
Detection
Abnormality is detected by the pressure value with the low pressure sensor.
Use the outdoor main PCB to determine the low pressure sensor pressure test value.
Error Decision
Conditions
Error is generated when the low pressure drops below a specific pressure level.
Low pressure drops after compressor activation.
Operating pressure: 0.07 MPa (10.2 psi)
Supposed
Causes
Abnormal drop of low pressure
Defective low pressure sensor
Defective outdoor main PCB
Stop valve is not opened
Содержание RXSQ24TAVJU
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Страница 289: ...SiUS331708EA Wiring Diagrams Appendix 276 1 Wiring Diagrams 1 1 Outdoor Unit RXSQ24 36TAVJU 3D109545A...
Страница 290: ...Wiring Diagrams SiUS331708EA 277 Appendix RXSQ48TAVJU 3D109546A...
Страница 291: ...SiUS331708EA Wiring Diagrams Appendix 278 RXSQ60TAVJU 3D109547A...
Страница 292: ...Wiring Diagrams SiUS331708EA 279 Appendix 1 2 Indoor Unit FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
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