Daikin FTXA20A Service Manual page 104

2 | Components
Service manual
104
2 Measure the voltage on the rectifier voltage check terminals (+ and –) on the
main PCB.
Result: The measured voltage MUST be approximately 300~350 V DC.
A
A RXA42~50A unit
a + terminal
b – terminal
A
a
A RXA42~50B unit
a + terminal
b – terminal
INFORMATION
When measuring on the front of the main PCB, make sure to locally remove the
protective varnish with the test leads of the multi meter.
Is the measured rectifier voltage
correct?
Yes
No
b
a
b
Action
Perform a check of the power module,
see "Checking
Replace the main PCB, see
procedures" [
FTXA20~50A(W)(S)(T) + FTXA20~50B(B)(S)(T) + RXA42+50A +
4
procedures" [ 99].
"Repair
4
108].
RXA20~35A(9) + RXA42+50B
Split Stylish R32
ESIE18-03D – 2021.05