Daikin FTXA20A Service Manual page 101

To check the HAP LED of the main PCB
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
3 Check the power supply to the unit, see
Does the unit receive power?
Yes
No
Prerequisite: First check the power supply to the main PCB, see
procedures" [ 4 99].
1 Locate the HAP LED on the main PCB.
A
a
A RXA42~50A unit
a HAP LED
A
A RXA42~50B unit
a HAP LED
INFORMATION
Make sure the correct software is available on the PCB. If NOT, update using the
updater tool.
2
|
"3.1.1 Checking procedures" [
Action
Replace the main PCB, see
4
procedures" [ 108].
Adjust the power supply to the unit, see
"3.1.2 Repair procedures" [
a
Components
4
156].
"Repair
4
157].
"Checking
Service manual
101