2
|
Components
Service manual
80
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
VDC
Com
Ref
VDC
Com
Ref
DC–
U
0.501 V
U
DC–
O.L
DC–
V
0.501 V
V
DC–
O.L
DC–
W
0.501 V
W
DC–
O.L
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.
e
d
a
b
c
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
74] of the
main PCB and continue with the next
procedure.
Содержание Sensira Series
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Страница 172: ...ESIE18 12E 2021 02 Copyright 2018 Daikin Verantwortung f r Energie und Umwelt...
