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Troubleshooting
Installer reference guide
216
ERGA04~08EAV3(A) + 08S18+9W
Daikin Altherma 3 R F
4P629093-1 – 2020.08
Possible causes
Corrective action
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]
14.3.9 Symptom: The pressure at the tapping point is temporarily unusually high
Possible causes
Corrective action
Failing or blocked pressure relief valve.
▪
Flush and clean the complete tank
including the piping between pressure
relief valve and the cold water inlet.
▪
Replace the pressure relief valve.
14.3.10 Symptom: Decoration panels are pushed away due to a swollen tank
Possible causes
Corrective action
Failing or blocked pressure relief valve.
Contact your local dealer.
14.3.11 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.
Summary of Contents for Altherma 3 R F EHVZ04S18E 6V Series
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