Daikin FTXA20AW - Page 92

2 | Components
Service manual
92
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05
a
b
a Black wire
b White wire
Is the measured voltage on the PCB
correct?
Action
Yes Return to "Checking procedures"[491]
of the PCB and continue with the next
procedure.
No Continue with the next step.
3 Check the power supply to the unit, see "3.1.1Checking procedures"[4156].
Does the unit receive power? Action
Yes Replace the main PCB, see "Repair
procedures"[498].
No Adjust the power supply to the unit, see
"3.1.2Repair procedures"[4157].
To check the HAP LED of the main PCB
Prerequisite: First check the power supply to the main PCB, see "Checking
procedures"[491].
1 Locate the HAP LED on the main PCB.
a
a HAP LED
INFORMATION
Make sure the correct software is available on the PCB. If NOT, update using the
updater tool.