Daikin Altherma 3 M - Page 187

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Service manual
187
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
DANGER: RISK OF ELECTROCUTION
Confirm the rectifier voltage is below 10 V DC before proceeding, see "To prevent
electrical hazards"[4285].
Diode module V1R for compressor circuit
1 Check the diode module in reference with the image and the table below.
d
e
b
a
c
a VAC in (current sensor - CT601)
b VAC in (L2C)
c VAC in (current sensor - CT602)
d VDC out (+)
e VDC out (–)
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
a d 0.477V d a O.L
b d 0.477V d b O.L
c d 0.477V d c O.L
e a 0.477V a e O.L
e b 0.477V b e O.L
e c 0.477V c e O.L
Diode module V2R for fan circuit
1 Check the diode module in reference with the image and the table below.