Daikin EBLA04E V Series Service Manual page 139

Repair procedures
To remove the backup heater thermal protector
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
b
a Screw
b Backup heater thermal protector bracket
c Backup heater thermal protector
2 Pull the backup heater thermal protector and bracket slightly to the front so
the wire terminals (at the back of the thermal protector) are reachable.
3 Disconnect the wires from the backup heater thermal protector.
4 Measure the resistance between the backup heater thermal protector
terminals 11‑12 and 31‑32. All contacts MUST be closed.
Are all contacts closed?
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
2 Remove the backup heater thermal protector sensor from the backup heater.
3 Guid the backup heater thermal protector sensor and wiring through the
grommet inside the switch box.
a
a c
Action
Backup heater thermal protector is OK.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
Replace the backup heater thermal
protector, see
procedures" [
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"Repair
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139].
4
work" [ 202].
Service manual
139