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Components
Service manual
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
b
a
Connector X1A
b
Connector X19A
Is the measured voltage on the hydro
PCB correct?
Action
Yes
Return to
160] of the hydro PCB
and continue with the next procedure.
No
Continue with the next step.
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?
Action
Yes
Correct the wiring between the noise
filter PCB and the hydro PCB, see
314].
No
Perform a check of the noise filter PCB,
see
194].
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?
Action
Yes
Correct the wiring between the main
PCB and the hydro PCB, see
314].
Summary of Contents for ALTHERMA
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