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4
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Components
Service manual
127
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
Prerequisite:
Check that the backup heater thermal protector functions correctly.
"4.4 Backup heater thermal protector"
134].
1
Turn ON the power of the unit.
INFORMATION
If the circuit breaker or the backup heater thermal protector trips again, determine
the root cause of the problem. Something is overloading the electrical circuit or
creating a short-circuit.
2
Activate
Installer
on the user interface. See the installer reference guide
for the correct procedure.
3
Go to
Actuator test run
via the user interface.
4
Activate backup heater: step 1.
5
Activate backup heater: step 2.
6
Check the status in the Actuators menu of the user interface. This MUST be:
▪
Backup heater: step 1 = ON
And/Or
▪
Backup heater: step 2 = ON
7
Check if the field installed circuit breaker has tripped.
8
Check if the fuse of the backup heater has tripped.
Did the fuse or the field supplied circuit
breaker of the backup heater trip?
Action
Yes
Replace the backup heater, see
130].
No
Return to
125] of the backup
heater and continue with the next
procedure.
To perform a check of the backup heater contactors
1
First perform an electrical check of the backup heater, see
125].
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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