Daikin RXM20R Service Manual page 131

RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
c b a
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
Power module IPM2 for fan motor
1 Disconnect the fan motor connector from the main PCB.
2 Check the power module IPM2 in reference with the image and the table
below.
Ref VDC
0.501 V DC+
0.501 V DC+
0.501 V DC+
0.501 V U
0.501 V V
0.501 V W
4 Components
|
Com Ref
U O.L
V O.L
W O.L
DC– O.L
DC– O.L
DC– O.L
Service manual
131