Daikin FTXA25AW - Repair Procedures

2 | Components
Service manual
154
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
After complete check of the indoor unit
main PCB, is the problem solved?
Action
Yes No further actions required.
No Replace the wifi control PCB, see
"2.20.2Repair procedures"[4154].
2.20.2 Repair procedures
To remove the wifi control PCB
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "2.14Plate work"[4120].
1 Disconnect the connector from the wifi control PCB.
2 Carefully click the complete wifi control PCB assembly out of the indoor unit.
a
a Wifi control PCB assembly
3 To install the wifi control PCB assembly, see "2.20.2 Repair
procedures"[4154].
To install the wifi control PCB
1 Click the wifi control PCB assembly on the indoor unit.
a
a Wifi control PCB assembly
2 Connect the harness to the wifi control PCB assembly.