3 | Components
Service manual
123
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Are all contacts closed? Action
Yes Backup heater thermal protector is OK.
Return to the troubleshooting of the
specific error and continue with the
next procedure.
No Replace the backup heater thermal
protector, see "Repair
procedures"[4123].
Repair procedures
To remove the backup heater thermal protector
Prerequisite: Stop the unit operation via the user interface.
Prerequisite: Turn OFF the respective circuit breaker.
Prerequisite: Remove the required plate work, see "3.17Plate work"[4230].
1 Disconnect the backup heater thermal protector wires from the wire terminal
X7M: 5‑6.
2 Guide the wires through the grommet in the switch box.
3 Cut all tie straps that fix the backup heater protector harness.
4 Loosen and remove the 2 screws.
a Backup heater thermal protector harness
b Screw
c Backup heater thermal protector
d Backup heater
5 Remove the backup heater thermal protector together with the gasket from
the backup heater.
6 To install the backup heater thermal protector, see "Repair
procedures"[4123].
To install the backup heater thermal protector
1 Install the backup heater thermal protector and new gasket on the backup
heater.
INFORMATION
Make sure the gasket is correctly installed.