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Troubleshooting
Service manual
27
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
1
Perform a check of the 4‑way valve. See
Possible cause:
Faulty 4‑way valve.
2
Perform a check of the main PCB. See
184].
Possible cause:
Faulty main PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.13 89-03 – Heat exchanger frozen
Trigger
Effect
Reset
Evaporation temperature
is too low during defrost.
Unit will NOT stop
operating.
Automatic reset.
Outlet water after heat
exchanger thermistor
<6°C during defrost.
To solve the error code
INFORMATION
It is recommended to perform the checks in the listed order.
1
Perform a check of the outlet water after heat exchanger thermistor. See
217].
Possible cause:
Faulty outlet water after heat exchanger thermistor.
2
Perform a check of the hydro PCB. See
175].
Possible cause:
Faulty hydro PCB.
INFORMATION
If all procedures listed above have been performed and the problem is still present,
contact the helpdesk.
3.3.14 89-05 – Heat exchanger freeze-up protection activated during cooling (error)
Trigger
Effect
Reset
Water heat exchange
freezing abnormality
during cooling.
Outlet water temperature
<5°C or 1.5°C (glycol) for
5 seconds OR saturated
evaporation temperature
(pressure sensor) <−11°C
for 5 minutes from start
of cooling.
Occurs after 1 automatic
reset of error code 89-06.
Unit will stop operating.
Power reset.
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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