2 Components
Service manual
72
EBLQ+EDLQ011~016CAV3+W1 + EBLQ+EDLQ011~016CA3V3+W1
+ EK(2)CB07CAV3 + EKMBUHCA3V3+9W1
Daikin Altherma – Monobloc
ESIE18-04 – 2019.02
a HAP LED
Does the HAP LED blink in
regular intervals (1second
ON/1second OFF)?
Action
Yes Return to "Checking
procedures"on page71 of the
main PCB and continue with the
next procedure.
No Remove the main PCB, "Repair
procedures"on page72.
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.
NOTICE
Also check that the correct spare part is installed for the
capacity adapter.
Is the correct spare part for the
main PCB installed?
Action
Yes Return to "Checking
procedures"on page71 of the
main PCB and continue with the
next procedure.
No Replace the main PCB, "Repair
procedures"on page72.
To check the wiring of the main 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
"5.2Wiring diagram"on page101.
Is the wiring on the main PCB
correct?
Action
Yes Return to "Checking
procedures"on page71 of the
main PCB and continue with the
next procedure.
Is the wiring on the main PCB
correct?
Action
No Adjust the wiring of the main
PCB, see "Repair procedures"on
page72.
Problem solved?
After all checking procedures listed above have been performed:
Is the problem solved? Action
Yes No further actions required.
No Return to the troubleshooting of
the specific error and continue
with the next procedure.
Repair procedures
To remove the main PCB
Prerequisite: Turn OFF the unit via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "2.19 Plate
work"on page77.
1 Disconnect all connectors from the main PCB assembly.
a Connector
b Main PCB assembly
2 Loosen and remove the 8 screws that fix the main PCB.