Daikin Sensira Series Service Manual page 81

Problem solved?
Repair procedures
To remove the main PCB
FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
Are the test results OK?
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 Disconnect all connectors from the main PCB.
2 Disconnect the power supply wires from the main power supply terminal X1M
and route the wires out of the ferrite core(s).
d d
d
a Power supply wiring
b Red wire
c Ground wire
d Screw
e PCB support
3 Disconnect the red wire from the terminal X1M and route the wire out of the
ferrite core(s).
4 Disconnect the Faston connectors from the reactor.
5 Remove the screw and remove the ground wiring from the switch box. Route
the ground wires out of the ferrite core(s).
6 Remove the screws from the main PCB.
7 Carefully pull the main PCB from the PCB supports
8 Remove the main PCB from the unit.
9 To install the main PCB, see
Action
Replace the main PCB, see
4
procedures" [
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"2.10 Plate
e
a e
4
"Repair procedures" [ 81].
2 Components
|
"Repair
81].
4
work" [ 101].
b
a
c
Service manual
81