3
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Components
Service manual
163
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Is the correct spare part for the hydro
PCB installed?
Action
Yes
Return to
160] of the hydro PCB
and continue with the next procedure.
No
Replace the hydro PCB, see
To check the wiring of the hydro PCB
Prerequisite:
First perform all earlier hydro PCB checks, see
160].
Prerequisite:
Stop the unit operation via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
1
Check that all wires are properly connected and that all connectors are fully
plugged‑in.
2
Check that no connectors or wires are damaged.
3
Check that the wiring corresponds with the wiring diagram, see
INFORMATION
Correct the wiring as needed.
Is the problem solved?
Action
Yes
No further actions required.
No
Return to
160] of the hydro PCB
and continue with the next procedure.
To check the fuse of the hydro PCB
Prerequisite:
First perform all earlier hydro PCB checks, see
160].
1
Measure the continuity of the fuse. If no continuity is measured, the fuse has
blown.
a
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