Repair Procedures - Daikin FTXA20A Service Manual

2 | Components
Problem solved?

2.9.2 Repair procedures

To correct the wiring from the indoor unit power supply terminal to the indoor unit power PCB
To remove the indoor unit power PCB
Service manual
84
Blown fuse on the indoor unit power
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 indoor
unit power PCB, see
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 power PCB.
2 Carefully click the indoor unit power PCB out of the PCB retainers.
Action
Return to
procedures" [
power 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
"5.2 Wiring diagram" [
Action
No further actions required.
Return to
procedures" [
power PCB and continue with the next
procedure.
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
"2.8.1 Checking
4
75] of the indoor unit
4
"2.14 Plate work" [ 120].
171].
"2.8.1 Checking
4
75] of the indoor unit
4
"2.14 Plate work" [ 120].
RXA20~35A(9) + RXA42+50B
ESIE18-03D – 2021.05
Split Stylish R32