![background image](http://html1.mh-extra.com/html/daikin/ftx-n-series/ftx-n-series_service-manual_3332842148.webp)
Troubleshooting for FDMQ Series
SiUS091601EA
143
Part 6 Service Diagnosis
Note
6.5 Humidifier or Related Abnormality
Error Code
AF
Method of Error
Detection
Water leakage from humidifier(s) is detected based on the float switch ON/OFF changeover while
the system is not operating.
Error Decision
Conditions
The float switch changes from ON to OFF while the system is OFF
Supposed
Causes
Defective float switch
Error in water drain system of humidifier(s)
Clogged electric expansion value in humidifier(s)
Defective indoor unit PCB
Troubleshooting
The system continues to operate with the thermostat OFF even while the error code is displayed.
YES
YES
NO
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
The float switch may be
defective. Check if the
drain-up height and the
horizontal pipe length
exceed the specifications.
Clogged water drain
system, clogged drain
pump, or faulty float switch
Replace the indoor unit
PCB (control PCB).
(R24055)
Humidifier(s)
connected to the system?
Is the water
drain system of the
humidifier normal?
Содержание FTX-N Series
Страница 14: ...SiUS091601EA 9 Part 1 General Information 1 Applicable Models 10 2 Functions 11 Part 1 General Information...
Страница 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications...
Страница 132: ...Troubleshooting for FTX FVXS Series SiUS091601EA 127 Part 6 Service Diagnosis Reference Check No 01 Refer to P 181...
Страница 161: ...SiUS091601EA Troubleshooting for Outdoor Unit Part 6 Service Diagnosis 156 Reference Check No 14 Refer to P 185...
Страница 165: ...SiUS091601EA Troubleshooting for Outdoor Unit Part 6 Service Diagnosis 160 Reference Check No 18 Refer to P 190...
Страница 180: ...Troubleshooting for Outdoor Unit SiUS091601EA 175 Part 6 Service Diagnosis Reference Check No 19 Refer to P 191...
Страница 197: ...SiUS091601EA Check Part 6 Service Diagnosis 192 12 class 15 class Multimeter R23024 R25105 1 2 3 4 Multimeter...
Страница 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter...
Страница 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U...
Страница 228: ...Piping Diagrams SiUS091601EA 223 Part 8 Appendix 1 2 Outdoor Unit RXL09QMVJU RXL12QMVJU 9 3D100008 3D100009A...
Страница 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368...
Страница 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A...