3
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Components
Service manual
89
RXQ25+3 3 3
35AMV1B
Split Sensira R32 BBOP
ESIE21-16 – 2022.02
3.8.2 Repair procedures
To correct the wiring from the main power supply terminal to the main PCB
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
1
Remove the required plate work, see
2
Make sure that all wires are firmly and correctly connected, see
3
Check the continuity of all wires.
4
Replace any damaged or broken wires.
Is the problem solved?
Action
Yes
No further actions required.
No
Return to
continue with the next procedure.
To remove the 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
94].
1
Disconnect all connectors and Faston connectors from the main PCB.
a
a
a
b
b
a
Screw
b
PCB support
2
Remove the screws from the main PCB.
3
Carefully pull the main PCB from the PCB supports
4
Remove the main PCB from the unit.
5
89].
To install the main PCB
1
Apply grease to the PCB contact surface of the heat sink. Distribute the grease
as evenly as possible.