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SiUS281811EA
Troubleshooting by Error Codes
Part 6 Service Diagnosis
261
Reference
4.33 Electronic Expansion Valve Coil Abnormality
Error Code
E9
Applicable
Models
All outdoor units
Method of Error
Detection
Check continuity of electronic expansion valve coil.
Error Decision
Conditions
No current is detected in the common (COM [+]) when power supply is ON.
Supposed
Causes
Defective electronic expansion valve coil
Defective outdoor main PCB
Disconnection of connectors for electronic expansion valve
Troubleshooting
CHECK 18
Refer to page 308.
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Return to normal?
Turn power supply OFF, and
turn power supply ON again.
The connector of
outdoor main PCB (A1P)
for electronic expansion
valve is connected.
Replace the electronic
expansion valve coil.
Replace the outdoor main
PCB (A1P).
YES
YES
NO
Ensure correct connection.
External factor other than error
(for example, noise etc.).
NO
The
resistance of
electronic expansion
valve coil is normal.
NO
CHECK 18
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...