Daikin altherma 3 M Service Manual page 161

EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Prerequisite: Remove the required plate work, see
1 Turn ON the power of the unit.
2 Measure the voltage on the connectors X1A: 1‑3 and X19A: 1‑3 on the hydro
PCB.
Result: The measured voltage MUST be 230 V AC.
a
a Connector X1A
b Connector X19A
Is the measured voltage on the hydro
PCB correct?
Yes
No
Single phase units
1 Measure the output voltage on connector X803A: 1‑3 on the noise filter PCB.
Result: The measured voltage MUST be 230 V AC.
Is the measured output voltage on the
noise filter PCB correct?
Yes
No
Three phase units
1 Measure the output voltage on connector X803A: 1‑3 on the main PCB.
Result: The measured voltage MUST be 230 V AC.
Is the measured output voltage on the
main PCB correct?
Yes
b
Action
Return to
procedures" [
and continue with the next procedure.
Continue with the next step.
Action
Correct the wiring between the noise
filter PCB and the hydro PCB, see
"6.2 Wiring
Perform a check of the noise filter PCB,
see "Checking
Action
Correct the wiring between the main
PCB and the hydro PCB, see
diagram" [
3 Components
|
4
"3.17 Plate work" [ 230].
"3.12.1 Checking
4
160] of the hydro PCB
4
diagram" [ 314].
procedures" [ 4 194].
"6.2 Wiring
4
314].
Service manual
161