Appendix
0020277253_00 ecoFIT sustain Operating instructions
11
Appendix
A
Status codes
–
Overview
Status codes that are not listed here can be viewed in the installation instructions.
Status code
Parameter
Meaning
Displays in heating mode
S.00
Heating: No heat demand
Heating: No heat demand
S.02
Heating mode: Pump pre-run
Heating mode: Pump pre-run
S.03
Heating mode: Ignition
Heating mode: Ignition
S.04
Heating mode: Burner on
Heating mode: Burner on
S.06
Heating mode: Fan overrun
Heating mode: Fan overrun
S.07
Heating mode: Pump overrun
Heating mode: Pump overrun
S.08
Heating mode: Anti-cycling time
Heating, remaining anti-cycling time xx mins
Displays in hot water handling mode
S.10
DHW demand
Hot water requirement via flow sensor
S.14
DHW mode: Burner on
DHW mode: Burner on
Displays in Comfort mode with warm start or hot water handling mode with cylinder
S.20
DHW demand
Hot water requirement
S.22
DHW mode: Pump pre-run
DHW mode: Pump pre-run
S.24
DHW mode: Burner on
DHW mode: Burner on
Others
S.31
No heat demand: Summer mode
Summer mode active
S.34
Heating mode: Frost protection
Frost protection mode, frost protection
S.46
Waiting time: Measuring program
Comfort protection mode, flame loss at minimum load
B
Troubleshooting
Fault
Cause
Measure
Product does not start
up:
–
No hot water
–
Heating remains 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 power supply in the building is disconnected.
Check the fuse in the building. The product
switches on automatically when the power is
restored.
The product is switched off.
Switch on the product (
→
"Switching on the
product" section).
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 temperature and hot water
temperature (
→
"Setting the heating flow temper-
ature" section/
→
"Setting the hot water temperat-
ure" section).
The system pressure is insufficient.
Low water pressure in the heating installation (fault mes-
sage:
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 reset button for one second. The
product makes another attempt to ignite the
flame.
If you have been unable to eliminate the ignition
fault after three reset attempts, consult a com-
petent person.
