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4
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Components
Service manual
192
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
d
a
e
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+
0.45 V
DC+
U
O.L
V
DC+
0.45 V
DC+
V
O.L
W
DC+
0.45 V
DC+
W
O.L
DC–
U
0.45 V
U
DC–
O.L
DC–
V
0.45 V
V
DC–
O.L
DC–
W
0.45 V
W
DC–
O.L
Are the test results OK?
Action
Yes
Power modules are OK. Return to
the main PCB and continue with the
next procedure.
No
Replace the main PCB, see
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.
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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