Appendix
14
Operating instructions ENERGY ..s 0020200965_02
Appendix
A Adjustable values
–
overview
Adjustable values
Values
Unit
Increment, select
Default set-
ting
Min.
Max.
Heating mode
Heating flow temperature
Current value
℃
1
75
38
Preset
in the
system
DHW mode
Hot water temperature
Current value
℃
1
60
35
60
Eco hot water temperature
Current value
℃
1
Deactivated
38
50
B Troubleshooting
Fault
Cause
Measure
Product does not
start up:
–
No hot water
–
Heating re-
mains cold
The gas isolator cock installed on-site
and/or the gas isolator cock on the
product is closed.
Open both gas isolator cocks.
The cold water stop valve is closed.
Open the cold water stop valve.
The power supply in the building is dis-
connected.
Check the fuse in the building.
The product switches on automat-
ically when the power is restored.
The product is switched off.
Switch on the product.
The heating flow temperature is set
too low or to the
Heating off
position,
and/or the hot water temperature is set
too low.
Set the heating flow and hot water
temperature.
The system pressure is insufficient.
Low water pressure in the heating in-
stallation (fault message:
F.22
).
Fill the heating installation.
There is air in the heating installation.
Have a competent person purge
the heating installation.
After three unsuccessful ignition at-
tempts, 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.
There is a fault in the flue gas route.
Have a competent person rectify
the fault.
