Repair Procedures - Daikin Sensira Series Service Manual

To check the fuse of the indoor unit main PCB
Problem solved?

2.6.2 Repair procedures

To correct the wiring from the indoor unit power supply terminal to the indoor unit main PCB
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
Prerequisite: First perform all earlier checks of the indoor unit main PCB, see
"2.6.1 Checking procedures" [
1 Measure the continuity of the fuse. If no continuity is measured, the fuse has
blown.
a
a Fuse
Blown fuse on the indoor unit main
PCB?
Yes
No
After all checking procedures listed above have been performed:
Is the problem solved?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Correct the wiring from the indoor unit power supply terminal to the PCB, see
"5.2 Wiring diagram" [
Is the problem solved?
Yes
4
67].
Action
Replace the blown fuse, see
"2.6.2 Repair
Return to
procedures" [
main PCB and continue with the next
procedure.
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
4
142].
Action
No further actions required.
2 Components
|
4
procedures" [ 69].
"2.6.1 Checking
4
67] of the indoor unit
4
"2.10 Plate work" [ 101].
Service manual
69