Daikin Perfera RXM R Series Service Manual page 130

3 | Components
Problem solved?
Service manual
130
d
e
a U
b V
c W
d DC+
e DC–
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.
VDC Com
U DC+
V DC+
W DC+
DC– U
DC– V
DC– W
Are the test results OK?
Yes
No
After all checking procedures listed above have been performed:
Is the problem solved?
Yes
c
b
a
Ref VDC
0.475 V DC+
0.475 V DC+
0.475 V DC+
0.475 V U
0.475 V V
0.475 V W
Action
Power modules are OK. Return to
"Checking procedures" [
main PCB and continue with the next
procedure.
Replace the main PCB, see
procedures" [
Action
No further actions required.
RXM20~71R + ARXM25~71R + FTXM20~71R + ATXM25~50R +
Com Ref
U O.L
V O.L
W O.L
DC– O.L
DC– O.L
DC– O.L
4
123] of the
"Repair
4
131].
FVXM25~50A
Split New Perfera R32
ESIE20-11 – 2021.01