Daikin RXM20R Service Manual page 95

To remove the humidity sensor wiring harness
To install the humidity sensor wiring harness
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
a Humidity sensor PCB assembly
b Tie strap (thermistor fixation)
2 Install the thermistor on the correct location and fix it to the bracket using a
new tie strap.
3 Connect the harness to the humicity sensor PCB assembly.
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 the wiring harness from the humidity sensor (PCB).
2 Disconnect the wiring harness connector from the indoor unit main PCB.
3 Cut all tie straps (if any) that fix the wiring harness.
4 Route the wiring harness out of the harness retainers and remove the
humidity sensor wiring harness.
5 To install the humidity sensor wiring harness, see
4
procedures" [ 94].
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 Route the wiring harness through the appropriate harness retainers towards
the humidity sensor (PCB).
3 Connect the wiring harness to the humidity sensor (PCB).
4 Fix the wiring harness using new tie straps (if needed).
a
b
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"4.14 Plate
4 Components
|
4
work" [ 153].
"4.7.2 Repair
Service manual
95