Daikin Sensira Series Service Manual page 77

To check the rectifier voltage of the main PCB
FTXF20~71A + FTXF20~25B + FTXF20~42C + ATXF20~71A + ATXF20~42C
+ RXF20~71A + RXF20~60B + RXF20~42C + ARXF20~71A + ARXF20~42C
Split Sensira R32
ESIE18-12E – 2021.02
a
a Fuse
Blown fuse on the main PCB?
Yes
No
Prerequisite: First perform all earlier main PCB checks, see
4
procedures" [ 74].
1 Turn ON the power of the unit.
2 Measure the voltage on the rectifier voltage check terminals (+ and –) on the
main PCB.
Result: The measured voltage MUST be approximately 324 V DC.
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.
2
|
Action
Replace the blown fuse, see
4
procedures" [ 81].
Return to "Checking procedures" [
of the main PCB and continue with the
next procedure.
a b
Components
"Repair
4
74]
"Checking
Service manual
77