![background image](http://html1.mh-extra.com/html/daikin/skyair-rzr-ta-series/skyair-rzr-ta-series_service-manual_3918999261.webp)
SiUS281811EA
Troubleshooting by Error Codes
Part 6 Service Diagnosis
255
4.30 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
Summary of Contents for SkyAir RZR-TA Series
Page 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Page 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Page 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Page 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Page 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Page 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...