Appendix16 Operating instructions ecoFIT pure 0020230534_02AppendixA Status codes – OverviewStatus codes that are not listed here can be viewed in the installation instructions.StatuscodeParameter MeaningDisplays in heating modeS.00 Heating: No heat demand Heating: No heat demandS.02 Heating mode: Pump pre-run Heating mode: Pump pre-runS.03 Heating mode: Ignition Heating mode: IgnitionS.04 Heating mode: Burner on Heating mode: Burner onS.06 Heating mode: Fan overrun Heating mode: Fan overrunS.07 Heating mode: Pump overrun Heating mode: Pump overrunS.08 Heating mode: Anti-cycling time Heating, remaining anti-cycling time xxminsDisplays in hot water handling modeS.10 DHW demand Hot water requirement via flow sensorS.14 DHW mode: Burner on DHW mode: Burner onDisplays in Comfort mode with warm start or hot water handling mode with cylinderS.20 DHW demand Hot water requirementS.22 DHW mode: Pump pre-run DHW mode: Pump pre-runS.24 DHW mode: Burner on DHW mode: Burner onOthersS.31 No heat demand: Summer mode Summer mode activeS.34 Heating mode: Frost protection Frost protection mode, frost protectionS.46 Waiting time: Measuring program Comfort protection mode, flame loss atminimum loadB TroubleshootingFault Cause MeasureProduct does notstart up:– No hot water– Heating re-mains coldThe gas isolator cock installed on-siteand/or the gas isolator cock on theproduct 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 settoo low or to the Heating off position,and/or the hot water temperature is settoo low.Set the heating flow temperat-ure and hot water temperature (→"Setting the heating flow temper-ature" section/→ "Setting the hotwater temperature" section).