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Components
Service manual
140
RXM20~71R(9) + ARXM25~71R(9) + FTXM20~71R + ATXM25~50R +
FVXM25~50A
Split New Perfera R32
ESIE20-11B – 2022.02
a
e
d
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+
0.501 V
DC+
U
O.L
V
DC+
0.501 V
DC+
V
O.L
W
DC+
0.501 V
DC+
W
O.L
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
Are the test results OK?
Action
Yes
Power module is OK. Return to
main PCB and continue with the next
procedure.
No
Problem solved?
After all checking procedures listed above have been performed:
Is the problem solved?
Action
Yes
No further actions required.
No
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Repair procedures
To remove the main PCB
Prerequisite:
Stop the unit operation via the user interface.