Daikin Sensira Series, Service Manual

Page: 86 / 172

2 | Components
Service manual
86
FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
2 Check that all wires are properly connected and that all connectors are fully
plugged‑in.
3 Check that no connectors or wires are damaged.
4 Check that the wiring corresponds with the wiring diagram, see "5.2 Wiring
diagram" [
4
142].
INFORMATION
Correct the wiring as needed.
Is the problem solved? Action
Yes No further actions required.
No Return to "Checking procedures" [
4
84]
of the PCB and continue with the next
procedure.
To check the fuse of the main PCB
Prerequisite: First perform all earlier main PCB checks, see "Checking
procedures" [ 4 84].
1 Measure the continuity of the fuse. If no continuity is measured, the fuse has
blown.
c a
b
a Fuse F1U
b Fuse F2U
c Fuse F3U
Blown fuse on the main PCB? Action
Yes Replace the main PCB, see "Repair
procedures" [
4
89].
No Return to "Checking procedures" [
4
84]
of the main PCB and continue with the
next procedure.
To check the rectifier voltage of the main PCB
Prerequisite: First perform all earlier main PCB checks, see "Checking
procedures" [
4
84].
1 Turn ON the power of the unit.