Repair Procedures - Daikin EBLA04E V Series Service Manual

4.14.2 Repair procedures

To remove the main PCB
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see
1 Loosen and remove the 3 screws that fix the switch box to the unit.
INFORMATION
The 2 screws at the hydro box side are reachable using a small ratchet ¼ inch and
socket nr. 8 or wrench ¼ inch with a cardan joint.
a
a Screw
b Switch box
2 Tilt the switch box until the wiring connection on the power supply terminal is
accessible.
3 Disconnect the connector of the compressor wiring.
4 Cut the tie straps to disconnect the compressor wiring harness (part
connected to the PCB) from the switch box.
a Compressor wiring
b Power supply wires from X1M
c Wire from X2M
"4.16 Plate
b
a a
c d f e f
a
draft – 31/05/2022 15:53
4 | Components
4
work" [ 202].
b
Service manual
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