SiAF341904E
Troubleshooting by Error Code
Part 6 Service Diagnosis
235
5.32 Outdoor Fan PCB Abnormality
Applicable
Models
All outdoor unit models
Error Code
H7
Method of Error
Detection
Detect according to values detected with current sensor.
Error Decision
Conditions
When the current sensor is abnormal.
Supposed
Causes
Disconnection/Short circuit in fan motor leads or disconnection of connector
Defective fan PCB (A4P, A7P)
Troubleshooting
Replace the defective fan motor.
NO
YES
Check for fan motor applicable to the error code
H7
while in monitor mode.
• Sub code
Fan PCB (A7P): H07-21 (Master), H7-23 (Slave 1), H7-25 (Slave 2)
Fan PCB (A4P): H07-22 (Master), H7-24 (Slave 1), H7-26 (Slave 2)
Replace the defective fan PCB.
RXQ6-12A: A4P
RXQ14-20A: A4P, A7P
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Is
resistance
between Vcc-UVW
and between GND-UVW
of the fan motor lead in
balance?
Turn OFF the power supply
and wait for 10 minutes.
Содержание RXQ12AHR
Страница 267: ...SiAF341904E Troubleshooting by Error Code Part 6 Service Diagnosis 261 Reference CHECK 7 Refer to page 293...
Страница 312: ...SiAF341904E 306 Part 7 Appendix 1 Wiring Diagrams 307 1 1 Outdoor Unit 307 1 2 VRV Indoor Unit 310 Part 7 Appendix...
Страница 313: ...SiAF341904E Wiring Diagrams Part 7 Appendix 307 1 Wiring Diagrams 1 1 Outdoor Unit RXQ6 8 10 12ARY1 3D112175E...
Страница 314: ...Wiring Diagrams SiAF341904E 308 Part 7 Appendix RXQ14ARY1 2D112174G...
Страница 315: ...SiAF341904E Wiring Diagrams Part 7 Appendix 309 RXQ16 18 20ARY1 2D112524F...
Страница 317: ...SiAF341904E Wiring Diagrams Part 7 Appendix 311 1 2 2 Auto Grille Panel BYCQ125EASF for FXFSQ 3D108035...
Страница 319: ...SiAF341904E Wiring Diagrams Part 7 Appendix 313 FXMQ40 50 63 80 100ARV1 3D112427A...
Страница 320: ...Wiring Diagrams SiAF341904E 314 Part 7 Appendix 1 2 4 Wall Mounted Type FXAQ20 25 32PVE FXAQ40 50 63PVER1 C 3D076498B...