Vaillant ecoTEC plus SERIES Installation And Maintenance Instructions Manual

Also see for ecoTEC plus 612: Instructions for use Instructions for installation and servicing Instructions for use Installation and maintenance manual Instructions for installation and servicing

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Vaillant ecoTEC plus SERIES Installation And Maintenance Instructions Manual Manual pdf 67 page image

TroubleshootingInstallation and maintenance instructions ecoTEC plus 0020116700_01 671313 Troubleshooting13.1 Contact Vaillant Service Solutions(0870 6060 777)> If you contact Vaillant Service Solutions (0870 6060777) or your Vaillant service partner, if possible, pleasemention– the fault code displayed (F.xx),– the boiler status that is displayed (S.xx) in the "LiveMonitor" (¬ section 13.2.1).13.2 Performing diagnosticsYou can use the function menu to control and test individ-ual components of the boiler in the fault diagnosis.Menu ¬ Installer level ¬ Test programs ¬ Function menu> Use the function menu for fault diagnosis(¬ section 12.3).13.2.1 Call up Live Monitor (status codes)Menu ¬ Live monitorYou can call up the boiler status codes in the display whichprovide information on the current operating status of theboiler.S.04Heating modeBurner onBack13.1 Status code display view13.2.2 Status codes – OverviewDisplay MeaningHeating modeS.00 Heating, no heat demandS.01 Heating mode fan start-upS.02 Heating mode pump flowS.03 Heating mode, ignitionS.04 Heating mode, burner onS.05 Heating mode, pump/fan overrunS.06 Heating mode, fan overrunS.07 Heating mode, pump overrunS.08 Heating mode, burner anti-cycling timeDHW mode (VUW boiler)S.10 Hot water demand via impeller sensorS.11 DHW mode, fan start-upS.13 DHW mode, ignitionS.14 DHW mode, burner onS.15 DHW mode, pump/fan overrunS.16 DHW mode, fan overrunS.17 DHW mode, pump overrunDHW mode, (VU boiler with cylinder or VUW comfort mode warmstart)S.20 DHW demandS.21 DHW mode, fan start-upS.22 DHW mode, pump runningS.23 DHW mode, ignitionS.24 DHW mode, burner onS.25 DHW mode, pump/fan overrunS.26 DHW mode, fan overrunS.27 DHW mode, pump overrunS.28 Hot water burner anti-cycling timeSpecial casesS.30 Room thermostat (RT) is blocking heating modeS.31 Summer mode active or no heat requirement from eBUScontrollerS.32 Waiting period because of fan speed deviationS.34 Frost protection mode activeS.39 "Burner off contact" has triggered (e.g. contact thermo-stat or condensate pump)S.40 Comfort safety mode is active: Boiler running with lim-ited heating comfort (¬ section 13.2.3)S.41 Water pressure > 2.8 barS.42 Flue non-return flap return signal blocks burner opera-tion (only in connection with VR40 accessory) or con-densate pump faulty, heat requirement is blockedS.46 Comfort safety mode, flame loss at minimum loadS.53 Boiler is in waiting period of modulation block/operationblock function due to water shortage (supply-returnspread too large)S.54 Boiler is in waiting period of operation blocking functionas a result of water shortage (temperature gradient)S.57 Waiting period, comfort safety modeS.58 Modulation limitation due to noise/windS.61 Gas family check unsuccessful: The coding resistance onthe PCB does not match the entered gas family (see alsoF.92).13.1 Status codes