Backup Heater; Built-In Backup Heater - Daikin EBLA04E V Series Service Manual

4 | Components

4.3 Backup heater

4.3.1 Built-in backup heater

Checking procedures
To perform a resistance check of the backup heater
Service manual
116
draft – 31/05/2022 15:53
c
a Screw
b 4‑way valve coil
c 4‑way valve body
2 Install and tighten the screw to fix the 4‑way valve coil.
3 Route the 4‑way valve coil harness towards the appropriate PCB.
4 Connect the 4-way valve connector to the appropriate PCB.
WARNING
When reconnecting a connector to the PCB, make sure to connect it on the correct
location and do NOT apply force, as this may damage the connector or connector
pins of the PCB.
5 Fix the 4‑way valve coil harness using new tie straps.
Is the problem solved?
Yes
No
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
1 Remove the required plate work, see
a b
Action
No further actions required.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
"4.16 Plate work" [
4
202].
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05