2 Components
Service manual
59
EBLQ+EDLQ011~W1 + EBLQ+EDLQ011~0W1
+ EK(2)CB EKMB9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
a
a
X26A
Is the measured voltage on the
hydro PCB correct?
Action
Yes
of the
hydro PCB and continue with the
next procedure.
No
Adjust the power of the hydro
PCB, see
To check the HAP LED of the hydro PCB
Prerequisite:
Turn OFF the unit via the user interface.
Prerequisite:
Turn OFF the respective circuit breaker.
Prerequisite:
Remove the required plate work, see
.
1
Turn ON the power of the unit.
2
Locate the HAP LED on the hydro PCB.
a
a
HAP LED
Does the HAP LED blink in
regular intervals (1 second
ON/1 second OFF)?
Action
Yes
of the
hydro PCB and continue with the
next procedure.
No
Replace the hydro PCB, see
"2.14.2 Repair procedures" on
page 60
To check if the correct spare part is installed
1
Visit your local spare parts webbank.
2
Enter the model name of your unit and check if the installed
spare part number corresponds with the spare part number
indicated in the webbank.
Is the correct spare part for the
hydro PCB installed?
Action
Yes
of the
hydro PCB and continue with the
next procedure.
No
Replace the hydro PCB, see
"2.14.2 Repair procedures" on
page 60
To check the wiring of the hydro PCB
1
Check that all connectors are fully plugged‑in. All colour codes
MUST correspond.
2
Check that no connectors are damaged.
3
Check that the wiring corresponds with the wiring diagram, see
"5.2 Wiring diagram" on page 101
Is the wiring on the hydro PCB
correct?
Action
Yes
of the
hydro PCB and continue with the
next procedure.
No
Adjust the wiring of the hydro
PCB, see
To check the fuse of the hydro PCB
1
Measure the continuity of the fuse. If no continuity is measured,
the fuse is blown.