Repair Procedures - Daikin FTXP20-71L Service Manual

Problem solved?

3.6.2 Repair procedures

To correct the wiring from the indoor unit power supply terminal to the indoor unit main PCB
To remove the indoor unit main PCB
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01E – 2023.01
Blown fuse on the indoor unit main
PCB?
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
"6.2 Wiring diagram" [
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 Disconnect all connectors from the indoor unit main PCB.
2 Carefully pull the indoor unit main PCB from the PCB supports.
Action
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
159].
Action
No further actions required.
Return to
procedures" [
main PCB and continue with the next
procedure.
3 Components
|
"3.6.1 Checking
4
78] of the indoor unit
4
"3.9 Plate work" [ 111].
"3.6.1 Checking
4
78] of the indoor unit
4
"3.9 Plate work" [ 111].
Service manual
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