A.O. Smith SGE Troubleshooting table for general errors, Symptom Cause Solution Remark Gas smell

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is

13.2 Troubleshooting table for general errors

Warning

Maintenance may only be performed by a qualified service and maintenance engineer.

General errors

Symptom	Cause	Solution				Remark

Gas smell	Gas leak
Gas smell	Gas leak			Warning			Warning
				Warning			Warning
				Close the main gas valve immediately.			Contact your installation engineer or local gas company
				Warning		immediately.
				Do not operate any switches.
				Warning
				No naked flames.
				Warning
				Ventilate the boiler room.


Display is off	Appliance is turned off		Start the appliance up (9 "Starting and running")

	No supply voltage	1.		Check if the isolator is ON.		See the SGE electrical diagram (17 "Appendices")
	present	2.		Check that there is power to the isolator.		If the error persists, consult your installation engineer.
		2.		Check that there is power to the isolator.
		3.		Check whether the ON/OFF switch of the electronic controller is
				ON (position I).
		4.		Check whether there is power to the electrical connector block.
		5.		The measured voltage must be 230 VAC (-15%, +10%).

	Defective fuse(s)	Replace fuse(s)				To replace the fuses, you must contact your installation engineer.

Instruction manual SGE

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Contents Installation User Your installer Liability Read this manual carefullyTrademarks More informationGis Table of contents Maintenance frequency Service programTroubleshooting Status of the appliancePerforming maintenance Warranty certificateAppendices Table of contents Introduction About the applianceWhat to do if you smell gas Regulations Target groups Maintenance Forms of notation Symbol Target groupIntroduction Overview of this document Chapter Target groups DescriptionGis Working principle of the appliance Introduction General working principle of the applianceTopics covered in this chapter Other settings that govern the control behaviour are Appliances heating cycleWorking principle of the appliance Pressure switch Flame probe = time = Temperature 45 oC = Minimum tap water temperatureAppliance water temperature protection Gas valve Protection for the appliance IntroductionGas valve Appliance water temperature protectionPressure switch 4 FanVented installation Safety of the installationUnvented installation Flame probeExpansion valve Fluid temperatureSafety of the solar heating system Expansion vessel Pump of the solar heating systemEnvironmental InstallationPackaging ConditionsAir humidity and ambient temperature Appliance maximum floor loadWater composition Working clearances Appliance is supplied without accessories. Check Technical specificationsDimensions of the appliance See the tableDime Description SGE Nsion General and electrical specifications Gas dataGas category 3+ G31 37 mbar Installation diagram Hot water side See C in the installation diagram 3.5 Installation diagramWater connections, Unvented Cold water side Circulation pipeWater connections, Vented Condensation drainageRequirements for flue gas discharge materials Gas connectionAir supply and flue Introduction This section covers the following subjectsTypes of appliances Concentric connections Specifications Following example illustrates how to use the tablePractical example of concentric chimney flue Appliance Diameter Maximum Parallel connectionsSubject Description Total length BendPractical example of parallel chimney flue Appliance with parallel flue gas discharge materialSolar heating system Preparation Connecting the mains voltageConnecting communication cable to solar heating system Electrical connection11.2 PreparationIsolating transformer Connecting the mains voltageConnecting continuous pump 11.2 PreparationConnecting an extra error signal Alarm OUT Connecting a program-controlled pumpConnecting an extra on mode switch Tank on Connecting extra head pump Connecting Q/T sensorConnecting the mains power Connecting pump station modulating pumpConnecting solar collector Connecting extra head pump Connecting tank sensorConnecting communication cable Connecting Q/T sensorChecking the supply pressure and burner pressure Procedure to check pressures Adjusting the pressure Gas dataFinish off 3.13.4 Finalising 13.4 FinalisingOrifice assembly Conversion to a different gas categoryBurner pressure regulator Blank plate Gas control connector Conversion to a different gas categoryPage Conversion to a different gas category Filling Filling the appliance Filling unvented installations Filling vented installationsFilling Flushing with water Filling with glycolGis Draining Activate the Menu with Draining unvented InstallationsDraining Position the cursor in front of OFFDraining vented installations Draining solar heating system Draining glycol-filled systemPosition the cursor in front of OFF Confirm OFF with Gis Controls Electronic controller ON/OFF switchControl panel Meaning of iconsNavigation buttons PC connectionControl panel Operating modes Error conditions Service condition Status of the applianceOperating modes Collector temperature warning Service conditionError conditions Q/T Sensor warningStarting the appliance Open 3.5 Installation diagram the manual gas valveStarting and running Starting the appliance Appliances heating cycleStarting and running Icon is activated Message PRE Purge appearsIcon is activated Message Ignition appears Shutting the appliance down for a long period Shut the appliance down for a brief period OFF modeShutting down Electrically isolating the applianceShutting down Main menu Switching on the on modeSet the water temperature via Notational convention for menu-related instructionsStarting and stopping the week program Setting water temperature during on modeWeek program Changing the appliances standard week programWeek program setting the water temperature Week program setting the switch- on timeWeek program setting the switch- off time Bring the cursor to SU Confirm withConfirm with Display shown in the figure will appear Week program setting the program- controlled pumpAdding times to a week program Scroll with to Start Operation Confirm withExtra period Confirm with Or use to cancelDeleting times from a week program To delete a period, proceed as followsSetting the water temperature Setting the switch-on timeSetting the switch-off time Setting the program-controlled pumpSetting day and time SettingsSetting menu language Adjustable settingsTable shows the correct settings Displaying appliance specifications SGEConfirm the minute setting with Scroll with to Specifications Confirm withDisplaying the error history Service programSetting the hysteresis Appliance Default RangeSetting legionella prevention Switching the pump on or offSetting the service interval Switching legionella prevention on and offSetting the heating fluid type in the solar heating system Solar heating system configurationSetting the drain-back tank Setting the solar limit temperatureSetting the QT sensor yes/no Setting the central heating configurationReading the energy contribution of the solar heating system Displayed errors TroubleshootingGeneral errors Distinction is made betweenDisplay is off Troubleshooting table for general errorsSymptom Cause Solution Remark Gas smell Start the appliance up 9 Starting and runningHot water supply Symptom Cause Solution Remark Water leakageExplosive ignition Insufficient or absentSymptom Cause Solution Remark Troubleshooting table for displayed errors Displayed errors S12 blocking error Code + Description Cause Solution RemarkS11 blocking error S13 blocking errorCode + Description Cause Solution Remark S18 blocking error F01 blocking errorF02 lock out error Maintenance 15.2 Preparation for maintenance. If there is Code + Description Cause Solution Remark F03 lock out errorFails to work correctly Engineer Pressure switch not ClosingNo gas Code + Description Cause Solution Remark F04 lock out errorF05 lock out error AreaF08 lock out error Code + Description Cause Solution Remark F06 lock out errorF07 lock out error Safety relay EngineerCode + Description Cause Solution Remark F10 lock out error F11 blocking errorC04 blocking error Code + Description Cause Solution Remark C02 lock out errorC03 blocking error Selected applianceE03 lock-out error Code + Description Cause Solution Remark E01 blocking errorTemperature E04 lock-out errorDisplayed warnings Maintenance, based on the number of burning hours Maintenance frequencyBest maintenance frequency can be determined Standard setting is 500 burning hoursMaintenance frequency Performing maintenance Introduction Preparation for maintenanceWait until the fan has stopped. The icon is then dimmed Performing maintenance Checking the anodes Water-side maintenance IntroductionDescaling and cleaning the tank Following steps must be carried out on the water sideClean the burners Cleaning condensation water dischargeGas-side maintenance Introduction Clean the orifices16.2 Tank warranty Warranty certificate16.1 General warranty Collector warranty Conditions for Installation and useWarranty certificate Menu structure of the main menu 17.2 Menu structure AppendicesThis appendix contains Heating systemMenu structure Appendices101 Electrical diagram for the appliance Electrical diagramController 0/I switch Extra on mode switchExtra error signal connection Temperature sensor T1 topElectrical diagram, solar heating system Solar system electrical diagram legend 106 Tset Pump Week program cardPeriod Example Period108 Index 1090308 Index