Daikin Emura RXJ20A5V1B Service Manual page 123

RXJ20~50A + FTXJ-A(W)(S)(B)
Split Emura 3 R32
ESIE22-04B – 2022.08
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.
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
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
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
4 Components
|
Com Ref
U O.L
V O.L
W O.L
DC– O.L
DC– O.L
DC– O.L
Com Ref
U O.L
V O.L
W O.L
DC– O.L
DC– O.L
Service manual
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