Daikin · Split air conditioners · Daikin Sensira FTXF-E / ATXF-E (wall-mounted split, R32)
E7DC fan lock
Name in the manufacturer's documentation (user manual): DC fan lock
[1]
In plain words (editorial)
Outdoor DC fan lock. The service manual lists the fan motor, the main PCB or foreign matter stuck in the fan.
When to call a service technician: Check (without opening the unit) that nothing blocks the outdoor fan; otherwise call a technician.
✎ editorial – written from the cited sources, not a manufacturer statement. Status: draft.
For technicians
Possible causes (source text)
Steps given by the manufacturer (source text)
Notes from the documentation
⚠ Work on refrigerant circuits, mains electricity and PV DC wiring is for qualified technicians only.
The Polish page has more detail (plain-language explanation, safe checks, guides): Read in Polish →
Sources
Every statement has a footnote to the document and PDF page. “Quote verified” means the quote was found automatically in the text of that page.
⚠ Some information comes from unofficial sources (copies shared by users, transcriptions, forums). They are marked below. Check them against the manufacturer's documentation before working on the device.
- [1] Daikin – User reference guide FTXF20~42E5V1B + ATXF20~42E5V1B, 4D526466-14K (2022.09) (4DEN526466-14K) , p. 37 official manufacturer document checked manually
DC fan lock
- [2] Daikin – Service manual Split Sensira R32 FTXF20~71A + FTXF20~25B + FTXF20~42C (+ ATXF/RXF/ARXF), ESIE18-12E – 2021.02 – text capture of pp. 2–36 from easymanua.ls (ESIE18-12E) , p. 14 ⚠ unofficial source quote verified
caused by a faulty rotating sensor signal
- [3] Daikin – Service manual Split Sensira R32 FTXF20~71A + FTXF20~25B + FTXF20~42C (+ ATXF/RXF/ARXF), ESIE18-12E – 2021.02 – text capture of pp. 2–36 from easymanua.ls (ESIE18-12E) , p. 14 ⚠ unofficial source quote verified
Faulty outdoor unit fan motor
- [4] Daikin – Service manual Split Sensira R32 FTXF20~71A + FTXF20~25B + FTXF20~42C (+ ATXF/RXF/ARXF), ESIE18-12E – 2021.02 – text capture of pp. 2–36 from easymanua.ls (ESIE18-12E) , p. 14 ⚠ unofficial source quote verified
Possible cause: Faulty main PCB
- [5] Daikin Malaysia – Service Manual FTKF-A & FTXF-A Series (R32), DAMA-SM-23-021 (DAMA-SM-23-021) , p. 84 official manufacturer document quote verified
Foreign matter stuck in the fan
- [6] Daikin – Service manual Split Sensira R32 FTXF20~71A + FTXF20~25B + FTXF20~42C (+ ATXF/RXF/ARXF), ESIE18-12E – 2021.02 – text capture of pp. 2–36 from easymanua.ls (ESIE18-12E) , p. 14 ⚠ unofficial source quote verified
Perform a check of the outdoor unit fan motor
- [7] Daikin – Service manual Split Sensira R32 FTXF20~71A + FTXF20~25B + FTXF20~42C (+ ATXF/RXF/ARXF), ESIE18-12E – 2021.02 – text capture of pp. 2–36 from easymanua.ls (ESIE18-12E) , p. 14 ⚠ unofficial source quote verified
Perform a check of the main PCB
- [8] Daikin – Service manual Split Sensira R32 FTXF20~71A + FTXF20~25B + FTXF20~42C (+ ATXF/RXF/ARXF), ESIE18-12E – 2021.02 – text capture of pp. 2–36 from easymanua.ls (ESIE18-12E) , p. 8 ⚠ unofficial source quote verified
It is recommended to perform the checks in the listed order
- [9] Daikin – Service manual Split Sensira R32 FTXF20~71A + FTXF20~25B + FTXF20~42C (+ ATXF/RXF/ARXF), ESIE18-12E – 2021.02 – text capture of pp. 2–36 from easymanua.ls (ESIE18-12E) , p. 8 ⚠ unofficial source quote verified
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