Main Pcb; Class 20~35 Units - Daikin Emura RXJ20A5V1B Service Manual

To install the intelligent thermal sensor wiring harness

4.12 Main PCB

4.12.1 Class 20~35 units

Checking procedures
To perform a power check of the main PCB
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04B – 2022.08
6 To install the intelligent thermal sensor wiring harness, see
4
procedures" [ 115].
1 Connect the wiring harness connector to the indoor unit main PCB.
WARNING
When reconnecting a connector to the PCB, make sure to connect it on the correct
location and do NOT apply force, as this may damage the connector or connector
pins of the PCB.
2 Connect the wiring harness to the intelligent thermal sensor PCB.
3 Route the wiring harness along the harness retainers on the intelligent
thermal sensor assembly.
4 Click the intelligent thermal sensor assembly on the indoor unit.
a Intelligent thermal sensor assembly
5 Fix the wiring harness using new tie straps (if needed).
Is the problem solved?
Yes
No
INFORMATION
It is recommended to perform the checks in the listed order.
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
a
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
4 Components
|
"4.11.2 Repair
Service manual
117