72 Installation and maintenance instructions 0020308121_04
E Status codes
Note
Since the code table is used for various products, some codes may not be visible for the product in question.
Code Meaning
S.000 There is no demand for heating mode.
S.001 Heating mode is active and the fan is in prerun mode.
S.002 Heating mode is active and the heating pump is in prerun mode.
S.003 Heating mode is active and the unit ignites.
S.004 Heating mode is active and the burner is operating.
S.005 Heating mode is active and the heating pump and fan are in overrun mode.
S.006 Heating mode is active and the fan is in overrun mode.
S.007 Heating mode is active and the heating pump is in overrun mode.
S.008 Heating mode is active and the unit is in burner anti-cycling time.
S.009 The heating mode is active and the unit carries out an automatic drift adaptation of the control elec-
trode in order to offset the ageing of the electrode.
S.010 The is no demand for domestic hot water draw-off.
S.011 The domestic hot water draw-off is active and the fan is starting up.
S.012 The domestic hot water draw-off is active and the heating pump is in prerun mode.
S.013 The domestic hot water draw-off is active and the unit ignites.
S.014 The domestic hot water draw-off is active and the burner is operating.
S.015 The domestic hot water draw-off is active and the heating pump and fan are in overrun mode.
S.016 The domestic hot water draw-off is active and the fan is in overrun mode.
S.017 The domestic hot water draw-off is active and the heating pump is in overrun mode.
S.019 Domestic hot water draw-off is active and the unit carries out an automatic drift adaptation of the con-
trol electrode in order to offset the ageing of the electrode.
S.020 There is no demand for the domestic hot water cylinder charging.
S.021 The domestic hot water cylinder charging is active and the fan starts.
S.022 The domestic hot water cylinder charging is active and the pump is in prerun mode.
S.023 The domestic hot water cylinder charging is active and the unit ignites.
S.024 The domestic hot water cylinder charging is active and the burner is operating.
S.025 The domestic hot water cylinder charging is active and the pump and fan are in overrun mode.
S.026 The domestic hot water cylinder charging is active and the fan is in overrun mode.
S.027 The domestic hot water cylinder charging is active and the heating pump is in overrun mode.
S.028 The domestic hot water cylinder charging is active and the unit is in burner anti-cycling time.
S.029 The domestic hot water cylinder charging is active and the unit carries out an automatic drift adapta-
tion of the ionisation electrode in order to offset the ageing of the electrode.
S.030 No demand is present for the thermostat. Heating mode is blocked.
S.031 Heating mode has been deactivated and there is no domestic hot water demand.
S.032 The fan is restarted due to an excessive deviation in speed.
S.034 The frost protection function is active.
S.039 The floor surface-mounted thermostat or condensate pump blocks the burner operation. The unit is in
a waiting period.
S.041 The water pressure in the heating system is too high.
S.042 An external unit (e.g. condensate pump or external flue non-return flap) is blocking the burner opera-
tion. The unit is in a waiting period.
S.054 Due to a water deficiency, the unit is in a waiting period.
S.057 The limp home mode for the combustion regulation blocks the burner operation. The unit is in a wait-
ing period.
S.059 Heat demand available. The circulation water volume is not sufficient for a burner start.
S.088 The purge programme is active.
S.091 The presentation mode is active with limited functionality.
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