Troubleshooting by Error Code
SiME341909EA
174
Part 6 Service Diagnosis
5.10 Humidifier System Abnormality
Applicable
Models
All indoor unit models
Error Code
AF
Method of Error
Detection
Water leakage from the humidifier system is detected based on float switch ON/OFF operation
while the compressor is not in operation.
Error Decision
Conditions
The float switch changes from ON to OFF while the compressor is not in operation.
∗
Error code is displayed but the system operates continuously.
Supposed
Causes
Humidifier unit (optional accessory) leaking
Defective drain piping (upward slope, etc.)
Defective indoor unit control PCB
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Defective indoor unit
control PCB (A1P).
Modify the drain piping.
YES
NO
NO
YES
Check if the humidifier unit is
leaking.
Field drain
piping has a defect such as
upward sloping.
A humidifier
unit (optional accessory) is
installed on the
indoor unit.
Summary of Contents for VRV X RXQ6-48ANR Series
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...
