Daikin Perfera FVXM A Series - Page 130

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