4 | Third party components
Service manual
302
EBLA09~16DA + EDLA09~16DA
Daikin Altherma 3 M
ESIE20-06A – 2021.03
Is a by‑pass installed in the water
circuit?
Action
Yes Return to the troubleshooting of the
specific error and continue with the
next procedure.
No Install a by‑pass in the water circuit, see
"4.3.2Repair procedures"[4302].
To check for a leaking field installed domestic hot water tap
1 Inspect the installation outside the unit and check for a leaking domestic hot
water tap.
Was a leaking domestic hot water tap
found in the installation?
Action
Yes Replace the leaking domestic hot water
tap, see "4.3.2Repair
procedures"[4302].
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
To check for leaks in the water circuit
1 Inspect the installation outside the unit and check for leaks.
A leak was found in the installation? Action
Yes Repair the leak in the installation, see
"4.3.2Repair procedures"[4302].
No Return to the troubleshooting of the
specific error and continue with the
next procedure.
To check the main water supply and pressure
1 Check that the main water supply and pressure of the installation is within the
expected range (>1bar).
Main water supply and pressure within
expected range?
Action
Yes Return to the troubleshooting of the
specific error and continue with the
next procedure.
No Adjust the main water supply of the
installation, see "4.3.2Repair
procedures"[4302].
4.3.2 Repair procedures
To remove the external pump from the water circuit
1 If an external pump is found in the installation outside the unit, the pump
MUST be programmed as such that it ONLY works when the water pump of
the unit is off. See the specific dealer manual of the external pump for this
procedure.