3
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Troubleshooting
Service manual
97
EBLA04~08E + EDLA04~08E
Daikin Altherma 3 M
ESIE22-09 – 2022.05
Possible failure
Root cause
Check
Repair
Thermostat ON conditions
for domestic hot water
operation are NOT met.
Thermostat ON conditions
for domestic hot water
operation are NOT met.
Confirm thermostat on
conditions depending on
the selected domestic hot
water control type (setting
[6‑0D]).
Change setpoint if
required.
Out of operation range
(ambient temperature
above 35°C).
Ambient temperature
higher than 35°C.
No action - unit CANNOT
operate when ambient
temperature is above 35°C.
Root cause category: end user
Possible failure
Root cause
Check
Repair
Space heating (cooling) or
domestic hot water
operation is NOT activated
on the user interface.
Confirm if space heating
(cooling) operation or
domestic hot water
operation is activated on
user interface.
Activate space heating
(cooling) or domestic hot
water operation on the
user interface.
Root cause category: parameter (setting)
Possible failure
Root cause
Check
Repair
Displayed date/time is
wrong - schedules NOT
correctly executed.
▪
NOT set date/time after
initial start-up,
▪
No power supply for
more than 48 hours.
Set date/time according to
operation manual
instructions.
Set date/time according to
operation manual
instructions.
Displayed date/time is
wrong - schedules NOT
correctly executed.
Daylight Saving Time NOT
set correctly.
Check Daylight Saving Time
settings.
Set Daylight Saving Time
according to operation
manual.
Incorrect setting of unit
control method (setting
[C‑07]).
Incorrect setting of unit
control method (setting
[C‑07]) (leaving water
control, room thermostat
control, ext. room
thermostat control).
Check if setting [C‑07]
(leaving water control,
room thermostat control,
ext. room thermostat
control) is in set according
to the application.
Incorrect setting of space
heating OFF temperature
(setting [4‑02]) or space
cooling OFF temperature
(setting [F‑01]).
Incorrect setting of space
heating OFF temperature
(setting [4‑02]) or space
cooling OFF temperature
(setting [F‑01]).
Check if setting space
heating OFF temperature
(setting [4‑02]) is correct
(keep at 35°C) or check if
setting space cooling OFF
temperature (setting
[F‑01]) is correct (keep at
10°C).
Preferential kWh rate
power supply settings and
electrical connections do
NOT match.
Preferential kWh rate
power supply settings and
electrical connections do
NOT match.
Check preferential kWh
rate power supply settings
and electrical connections
(see installer reference
guide).
draft – 31/05/2022 15:53
Summary of Contents for EBLA04E V Series
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