Daikin FTXA20A Service Manual page 100

2 | Components
To perform a power check of the main PCB
Service manual
100
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Turn ON the power of the unit.
2 Measure the voltage between the black and white wires.
Result: The measured voltage MUST be 230 V AC.
A
a
b
A RXA42~50A unit
a Black wire
b White wire
A a
b
A RXA42~50B unit
a Black wire
b White wire
Is the measured voltage on the PCB
correct?
Yes
No
"2.14 Plate work" [
Action
Return to "Checking procedures" [
of the PCB and continue with the next
procedure.
Continue with the next step.
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
RXA20~35A(9) + RXA42+50B
4
120].
4
99]
Split Stylish R32
ESIE18-03D – 2021.05