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3
|
Components
Problem solved?
3.8.2 Repair procedures
To remove the main PCB
Service manual
88
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.
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.
4 Remove the ferrite core (for power supply wiring) from the swich box (unplug
fixation plug).
5 Disconnect the Faston connectors from the reactor.
6 Remove the screw and remove the ground wiring from the switch box.
7 Remove the screws from the main PCB.
8 Carefully pull the main PCB from the PCB supports
9 Remove the main PCB from the unit.
10 To install the main PCB, see
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"3.10 Plate
e
a
e
"3.8.2 Repair
procedures" [
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
4
work" [
100].
b
a
c
4
88].
Split Comfora R32
ESIE18-01D – 2022.02
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Troubleshooting
