Daikin altherma 3 M Service Manual page 267

To check the settings
To check the software and EEPROM version
To check the communication wiring between the remote controller and the unit PCB
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Does the remote controller user
interface function correctly?
No
1 See the relevant documentation (installer reference guide, remote controller
manual, ...) to check if the specific setting is correct.
Is the setting correct?
Yes
No
1 Compare the software ID and EEPROM version of the remote controller user
interface and the PCB with the ones provided in the Updater Tool. Re-install
the software with the Updater Tool if versions do NOT match.
Is the installed software and EEPROM
version correct?
Yes
No
1 Make sure that all wires between the remote controller user interface
connector X1B and the connectors X18A and X48A on the hydro PCB are firmly
and correctly connected, see
2 Check the continuity of all wires.
3 Replace any damaged or broken wires.
INFORMATION
Correct the wiring as needed.
Is the problem solved?
Yes
No
Action
Replace the remote controller user
interface, see "3.21.2 Repair
4
procedures" [
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Adjust the specific setting see
"3.21.2 Repair procedures" [
Action
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Re-install the software with the Updater
Tool see "3.21.2 Repair
4
procedures" [
4
"6.2 Wiring diagram" [
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
3 Components
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Service manual
267