Repair Procedures - Daikin Emura RXJ20A5V1B Service Manual

4.7.2 Repair procedures

To remove the humidity sensor
To install the humidity sensor
RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04B – 2022.08
Is the output voltage on the indoor unit
main PCB correct?
No
5 As there are no further check procedures for this component, perform a check
of the indoor unit main PCB to check if the humidity sensor needs to be
replaced. See "4.9.1 Checking
After complete check of the indoor unit
main PCB, 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 connector from the humidity sensor PCB.
2 Carefully click the complete humidity sensor PCB assembly out of the indoor
unit.
a Humidity sensor PCB assembly
3 To install the humidity sensor PCB assembly, see
4
procedures" [ 99].
1 Click the humidity sensor PCB assembly on the indoor unit.
Action
Perform a check of the indoor unit main
PCB, see
procedures" [
4
procedures" [
Action
No further actions required.
Replace the humidity sensor, see
"4.7.2 Repair
a
4 Components
|
"4.9.1 Checking
4
103].
103].
4
procedures" [ 99].
4
"4.14 Plate work" [ 144].
"4.7.2 Repair
Service manual
99