Appendix
16 Operating instructions ecoFIT pure 0020230532_02
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 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 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 (→ "Switch-
ing 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 temperat-
ure and hot water temperature (→
"Setting the heating flow temper-
ature" section/→ "Setting the hot
water temperature" section).
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