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Troubleshooting
Service manual
26
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
1
Perform a check of the inlet water thermistor. See
Possible cause:
Faulty inlet water thermistor.
2
Perform a check of the outlet water after heat exchanger thermistor. See
Possible cause:
Faulty outlet water after heat exchanger thermistor.
3
Perform
a
check
of
the
refrigerant
liquid
thermistor.
See
Possible cause:
Faulty refrigerant liquid thermistor.
4
Perform a check of the hydro PCB. See
Possible cause:
Faulty hydro PCB.
5
Check that all stop valves of the refrigerant circuit are open. See
256].
Possible cause:
Closed stop valve in the refrigerant circuit.
6
Check if the refrigerant circuit is correctly charged. See
256].
Possible cause:
Refrigerant overcharge.
7
Check if the refrigerant circuit is clogged. See
256].
Possible cause:
Clogged refrigerant circuit.
8
Check for the presence of non‑condensables and/or humidity in the
refrigerant circuit. See
Possible cause:
Non‑condensables and/or humidity in the refrigerant circuit.
9
Possible cause:
Water flow is too low.
10
Possible cause:
Water pressure is too low.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.12 89-02 – Heat exchanger frozen
Trigger
Effect
Reset
Condensing temperature
<0°C during space
heating.
Unit will stop operating.
Automatic reset.
Liquid refrigerant
thermistor ≤0°C during
space heating or domestic
hot water.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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