14
|
Troubleshooting
Installer reference guide
258
EPRA14~W1 + ETSH/X(B)16P30+50EF
Daikin Altherma 3 H HT ECH₂O
4P679467-1A – 2022.07
Possible causes
Corrective action
The backup heater equilibrium
temperature has not been configured
correctly
Increase the equilibrium temperature to
activate the backup heater operation at
a higher outdoor temperature.
Go to: [9.3.7]:
Installer settings
>
Backup heater
>
Equilibrium
temperature
[5‑01]
There is air in the system.
Purge air manually or automatically. See
the air purge function in the chapter
Too much heat pump capacity is used
for heating domestic hot water
Check if the
Space heating
priority
settings have been
configured appropriately:
▪
Make sure that the
Space heating
priority
has been enabled.
Go
to
[9.6.1]:
Installer
settings
>
Balancing
>
Space
heating priority
[5‑02]
▪
Increase the "space heating priority
temperature" to activate backup
heater operation at a higher outdoor
temperature.
Go
to
[9.6.3]:
Installer
settings
>
Balancing
>
Priority temperature
[5‑03]
14.3.10 Symptom: Tank disinfection function is NOT completed correctly (AH-error)
Possible causes
Corrective action
The disinfection function was
interrupted by domestic hot water
tapping
Program the start-up of the disinfection
function when the coming 4 hours NO
domestic hot water tapping is expected.
Large domestic hot water tapping
happened recently before the
programmed start-up of the disinfection
function
If in [5.6]
Tank
>
Heat up mode
the
mode
Reheat only
is selected, it is
recommended to program the start-up
of the disinfection function at least
4 hours later than the last expected
large hot water tapping. This start-up
can be set by installer settings
(disinfection function).
The disinfection operation was stopped
manually: [C.3]
Operation
>
Tank
was
turned off during disinfection.
Do NOT stop tank operation during
disinfection.
14.4 Solving problems based on error codes
If the unit runs into a problem, the user interface displays an error code. It is
important to understand the problem and to take measures before resetting an
error code. This should be done by a licensed installer or by your local dealer.
Summary of Contents for ETSX16P30EF
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