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SiME341909EA
Troubleshooting by Error Code
Part 6 Service Diagnosis
203
Reference
5.29 Electronic Expansion Valve Coil Abnormality
Applicable
Models
All outdoor unit models
Error Code
E9
Method of Error
Detection
Detect according to whether or not there is continuity across the electronic expansion valve
coils (Y2E, Y4E).
Error Decision
Conditions
When no current flows through common (COM+) at the time of turning ON the power supply.
Supposed
Causes
Disconnection of connectors from electronic expansion valves (Y2E, Y4E)
Defective electronic expansion valve coil
Defective outdoor unit main PCB
Troubleshooting
CHECK 18
Refer to page 278.
Turn OFF the power supply
once, and then turn it ON again.
Return to normal?
Investigate external causes other than
failures (e.g. noise).
Replace the outdoor unit main PCB
(A1P).
YES
NO
Connector for
the electronic expansion
valve of the outdoor unit main
PCB (A1P) is
connected.
CHECK 18
The resistance of
the electronic expansion
valve coil is
normal.
Properly and securely connect the
connector.
NO
YES
Is sub code one
of the following?
E9-48,49,50,51,
52,53,54,55,56
Replace the defective electronic
expansion valve coil.
YES
NO
NO
YES
CHECK 18
The resistance of the
electronic expansion
valve coil is
normal.
Replace the electronic expansion
valve coil.
NO
Replace the outdoor unit main PCB
(A1P).
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Check for electronic expansion valves applicable to the error code
E9
while
in monitor mode.
• Sub code
Y2E: E9-03 (Master), E9-06 (Slave 1), E9-09 (Slave 2)
Y4E: E9-26 (Master), E9-27 (Slave 1), E9-28 (Slave 2)
Summary of Contents for VRV X RXQ10ARYFK
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ6 48A N R Series SiME341909EA...
Page 289: ...SiME341909EA Wiring Diagrams Part 7 Appendix 283 RXQ10 12ARYFK 2D124184...
Page 290: ...Wiring Diagrams SiME341909EA 284 Part 7 Appendix RXQ14 16ARYFK 2D124183...
Page 295: ...SiME341909EA Wiring Diagrams Part 7 Appendix 289 FXMQ40 50 63 80 100ARV1 3D127112 04 59...