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SiUS281811EA
Troubleshooting by Error Codes
Part 6 Service Diagnosis
253
4.29 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 switch opens.
Use the protection device circuit to test high pressure switch conduction.
Error Decision
Conditions
Part of the protection device has an open circuit.
Error is generated when the high pressure switch activation count reaches the number specific to
the operation mode.
Reference
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 SkyAir RZR-TA Series
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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...
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Page 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...