SiUS341802E
Troubleshooting by Error Code
Service Diagnosis
188
2.14 Drain Level above Limit
Error Code
AF
Applicable
Models
FXFQ, FXZQ, FXUQ, FXEQ, FXDQ, FXSQ-TA, FXMQ-PB
Method of Error
Detection
Water leakage is detected based on float switch ON/OFF operation while the compressor is not in
operation.
Error Decision
Conditions
When 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 pipe (upward slope, etc.)
Defective indoor unit main PCB
Troubleshooting
Modify the drain piping.
YES
YES
NO
Field
drain piping
has a defect such as
upward sloping.
NO
A
humidifier
unit (optional
accessory) is installed
on the indoor
unit.
Defective indoor unit main PCB
(A1P).
Check if the humidifier unit is
leaking.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание Aurora Series
Страница 316: ...Wiring Diagrams SiUS341802E 303 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RXLQ72TATJU 2D112580A ...
Страница 317: ...SiUS341802E Wiring Diagrams Appendix 304 RXLQ96 120TATJU 2D112581A ...
Страница 318: ...Wiring Diagrams SiUS341802E 305 Appendix RXLQ72TAYDU 2D112582A ...
Страница 319: ...SiUS341802E Wiring Diagrams Appendix 306 RXLQ96 120TAYDU 2D112583A ...
Страница 320: ...Wiring Diagrams SiUS341802E 307 Appendix RXLQ72 96 120TAYCU RXYQ72 96 120 144 168TAYCU 2D112579A ...
Страница 330: ...Wiring Diagrams SiUS341802E 317 Appendix 1 3 2 Energy Recovery Ventilator VAM Series VAM300 470 600GVJU 3D073269C ...
Страница 331: ...SiUS341802E Wiring Diagrams Appendix 318 VAM1200GVJU 3D073270C ...
Страница 332: ...Revision History Month Year Version Revised contents 04 2018 SiUS341802E First edition ...