Daikin RXTA30B2V1B Service Manual page 102

4 | Components
To check the fuse of the indoor unit main PCB
Problem solved?
Service manual
102
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" [ 232].
INFORMATION
Correct the wiring as needed.
Is the problem solved?
Yes
No
INFORMATION
Fuse is ONLY available on the main PCB of the indoor units FTXTP-M and ATXTP-M.
Prerequisite: First perform all earlier checks of the indoor unit main PCB, see
"4.10.1 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:
Action
No further actions required.
Return to "4.10.1 Checking
procedures" [
main PCB and continue with the next
procedure.
4
97].
Action
Replace the blown fuse, see
"4.10.2 Repair
Return to "4.10.1 Checking
procedures" [
main PCB and continue with the next
procedure.
RXTM-R+RXTP-R+ARXTP-R+RXTA-B+FTXTA30B2V1B(W)
(B)+FTXTM30+40R2V1B+FTXTP25+35M5V1B+ATXTP25+35M5V1B
"7.2 Wiring
4
97] of the indoor unit
4
procedures" [ 103].
4
97] of the indoor unit
R32 Optimized Heating 4 Split
ESIE21-12A – 2022.02