Daikin Perfera RXM R Series Service Manual page 113

To check the wiring of the indoor unit power PCB
To check the fuse of the indoor unit main PCB
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01
Is the correct spare part for the indoor
unit power PCB installed?
Yes
No
Prerequisite: First perform all earlier checks of the indoor unit main PCB, see
"Checking procedures" [
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Check that all wires are properly connected and that all connectors are fully
plugged‑in.
2 Check that no connectors or wires are damaged.
3 Check that the wiring corresponds with the wiring diagram, see
4
diagram" [ 223].
INFORMATION
Correct the wiring as needed.
Is the problem solved?
Yes
No
Prerequisite: First perform all earlier checks of the indoor unit main PCB, see
"Checking procedures" [
1 Measure the continuity of the fuse. If no continuity is measured, the fuse has
blown.
Action
Return to
procedures" [
power PCB and continue with the next
procedure.
Replace the indoor unit power PCB, see
"Repair
4
110].
Action
No further actions required.
Return to
procedures" [
power PCB and continue with the next
procedure.
4
110].
3 Components
|
"Checking
4
110] of the indoor unit
4
procedures" [ 115].
"6.2 Wiring
"Checking
4
102] of the indoor unit
Service manual
113