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Components
Service manual
86
(A)(F)TXF20~71A + FTXF20~25B + (A)(F)TXF20~42C + (A)(F)TXF20~42D +
(A)(F)TXF20~42E + (A)RXF20~71A + RXF20~60B + (A)RXF20~42C +
(A)RXF20~42D + (A)RXF20~42E
Split Sensira R32
ESIE18-12G – 2023.01
a
a
Fuse
Blown fuse on the indoor unit main
PCB?
Action
Yes
Replace the blown fuse, see
No
84] of the indoor unit
main PCB and continue with the next
procedure.
Problem solved?
After all checking procedures listed above have been performed:
Is the problem solved?
Action
Yes
No further actions required.
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
3.7.2 Repair procedures
To correct the wiring from the indoor unit power supply terminal to the indoor unit main PCB
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
124].
1
Correct the wiring from the indoor unit power supply terminal to the PCB, see
Is the problem solved?
Action
Yes
No further actions required.
No
84] of the indoor unit
main PCB and continue with the next
procedure.
To remove the indoor unit main PCB
Prerequisite:
Stop the unit operation via the user interface.