Daikin Split Comfora R32 Service Manual page 79

To remove the main PCB
To install the main PCB
ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71
Split Comfora R32
ESIE18-01C – 2020.07
Is the problem solved?
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.
a a
a
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 To install the main PCB, see
1 Apply grease to the PCB contact surface of the heat sink. Distribute the grease
as evenly as possible.
CAUTION
ALWAYS apply new grease on the PCB heat sink. NOT doing so may cause the PCB to
fail due to insufficient cooling.
2 Install the main PCB in the correct location on the PCB supports.
Action
Return to "2.8.1 Checking
4
procedures" [
continue with the next procedure.
"2.10 Plate
b
b
"2.8.2 Repair procedures" [
2 Components
|
75] of the PCB and
4
work" [ 92].
4
78].
Service manual
79