Daikin Altherma 3 M - Page 211

3 | Components
Service manual
211
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Is the problem solved? Action
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
Repair procedures
To correct the wiring from the main power supply terminal to the noise filter PCB
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see "3.17Plate work"[4230].
2 Make sure that all wires are firmly and correctly connected, see "6.2 Wiring
diagram"[4314].
3 Check the continuity of all wires.
4 Replace any damaged or broken wires.
Is the problem solved? Action
Yes No further actions required.
No Return to "Checking
procedures"[4204] of the noise filter
PCB and continue with the next
procedure.
To remove the noise filter PCB
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see "3.17Plate work"[4230].
DANGER: RISK OF ELECTROCUTION
Confirm the rectifier voltage is below 10 V DC before proceeding, see "To prevent
electrical hazards"[4285].
2 Remove the 2 screws from the main PCB heat sink cover.
3 Lift and pull the cover to remove it from the heat sink.