Appendix
0020230532_02 ecoFIT pure Operating instructions
17
Fault
Cause
Measure
Product does not
start up:
–
No hot water
–
Heating re-
mains cold
The system pressure is insufficient.
Low water pressure in the heating in-
stallation (fault message:
F.22
).
Fill the heating installation (
→
"Filling the heating installation"
section).
There is air in the heating installation.
Have your competent person
purge the heating installation.
After three unsuccessful attempts to
ignite the flame, the product switches to
fault mode (fault message:
F.28
).
Press the fault clearance key for
one second. The product makes
another attempt to ignite the
flame.
If you have been unable to elim-
inate the ignition fault after three
fault clearance attempts, consult a
competent person.
Hot water gener-
ation functioning
correctly; heating
does not start up.
The external controller is not set cor-
rectly.
Set the external controller cor-
rectly (
→
Controller operating in-
structions).
