Symptom Cause Solution Remark Water leakage | A.O. Smith SGE

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Symptom	Cause	Solution	Remark

Water leakage	Leakage from a water	Tighten the threaded connection	If the leak persists, consult your installation engineer
	connection (threaded)

	Condensate leakage	Check that the condensation water discharge is working properly.
		Rectify if necessary

	Leakage from another	Trace the leak
	nearby water appliance
	or pipe segment

	Leakage from the	Consult the supplier and/or manufacturer
	appliance's tank

Explosive ignition	Incorrect supply	Set the correct supply pressure and/or burner	If ignition is not improved, consult your installation engineer.
	pressure and/or burner	pressure. (3.13 "Checking the supply pressure and burner
	pressure	pressure")

	Contaminated burner	Clean the burner(s) (15.4.2 "Clean the burner(s)")

	Contaminated orifice	Clean the orifice(s) (15.4.3 "Clean the orifice(s)")

Hot water supply	Appliance is turned off	Start the appliance up (9 "Starting and running")
insufficient or absent
insufficient or absent	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%).

	Hot water supply is	Reduce hot water consumption and give the appliance time to heat	If there continues to be insufficient hot water, or none at all, consult
	used up	up.	your installation engineer.

	The controller is in OFF	Switch the controller to the ON mode (11.3 "Switching on the "ON
	mode.	mode"")

	Temperature (Tset) is	Adjust (11.4 "Setting the water temperature") temperature (Tset) to
	set too low.	a higher value.

Instruction manual SGE

79

Image 79

A.O. Smith SGE Symptom Cause Solution Remark Water leakage, Explosive ignition, Hot water supply, Insufficient or absent

Contents

Installation User Your installer More information Read this manual carefullyTrademarks Liability Gis Table of contents Status of the appliance Service programTroubleshooting Maintenance frequency Warranty certificate Performing maintenanceAppendices Table of contents About the appliance IntroductionWhat to do if you smell gas Regulations Symbol Target group Target groups Maintenance Forms of notationIntroduction Chapter Target groups Description Overview of this document Gis Introduction General working principle of the appliance Working principle of the applianceTopics covered in this chapter Appliances heating cycle Other settings that govern the control behaviour areWorking principle of the appliance Protection for the appliance Introduction = time = Temperature 45 oC = Minimum tap water temperatureAppliance water temperature protection Gas valve Pressure switch Flame probe 4 Fan Appliance water temperature protectionPressure switch Gas valve Flame probe Safety of the installationUnvented installation Vented installation Pump of the solar heating system Fluid temperatureSafety of the solar heating system Expansion vessel Expansion valve Conditions InstallationPackaging Environmental Appliance maximum floor load Air humidity and ambient temperatureWater composition Working clearances See the table Technical specificationsDimensions of the appliance Appliance is supplied without accessories. Check Dime Description SGE Nsion Gas data General and electrical specifications Gas category 3+ G31 37 mbar Installation diagram Circulation pipe See C in the installation diagram 3.5 Installation diagramWater connections, Unvented Cold water side Hot water side Condensation drainage Water connections, Vented This section covers the following subjects Gas connectionAir supply and flue Introduction Requirements for flue gas discharge materials Types of appliances Concentric connections Following example illustrates how to use the table SpecificationsPractical example of concentric chimney flue Total length Bend Parallel connectionsSubject Description Appliance Diameter Maximum Appliance with parallel flue gas discharge material Practical example of parallel chimney flue Electrical connection Preparation Connecting the mains voltageConnecting communication cable to solar heating system Solar heating system Preparation 11.2 11.2 Preparation Connecting the mains voltageConnecting continuous pump Isolating transformer Connecting extra head pump Connecting Q/T sensor Connecting a program-controlled pumpConnecting an extra on mode switch Tank on Connecting an extra error signal Alarm OUT Connecting pump station modulating pump Connecting the mains powerConnecting solar collector Connecting Q/T sensor Connecting tank sensorConnecting communication cable Connecting extra head pump Checking the supply pressure and burner pressure Procedure to check pressures Gas data Adjusting the pressureFinish off 3.13.4 Finalising Finalising 13.4 Conversion to a different gas category Orifice assembly Conversion to a different gas category Burner pressure regulator Blank plate Gas control connectorPage Conversion to a different gas category Filling Filling vented installations Filling the appliance Filling unvented installationsFilling Filling with glycol Flushing with water Gis Draining Position the cursor in front of OFF Draining unvented InstallationsDraining Activate the Menu with Draining solar heating system Draining glycol-filled system Draining vented installationsPosition the cursor in front of OFF Confirm OFF with Gis Meaning of icons Electronic controller ON/OFF switchControl panel Controls PC connection Navigation buttonsControl panel Status of the appliance Operating modes Error conditions Service conditionOperating modes Q/T Sensor warning Service conditionError conditions Collector temperature warning Starting the appliance Appliances heating cycle Open 3.5 Installation diagram the manual gas valveStarting and running Starting the appliance Icon is activated Message PRE Purge appears Starting and runningIcon is activated Message Ignition appears Electrically isolating the appliance Shut the appliance down for a brief period OFF modeShutting down Shutting the appliance down for a long period Shutting down Notational convention for menu-related instructions Switching on the on modeSet the water temperature via Main menu Changing the appliances standard week program Setting water temperature during on modeWeek program Starting and stopping the week program Bring the cursor to SU Confirm with Week program setting the switch- on timeWeek program setting the switch- off time Week program setting the water temperature Scroll with to Start Operation Confirm with Week program setting the program- controlled pumpAdding times to a week program Confirm with Display shown in the figure will appear To delete a period, proceed as follows Confirm with Or use to cancelDeleting times from a week program Extra period Setting the program-controlled pump Setting the switch-on timeSetting the switch-off time Setting the water temperature Adjustable settings SettingsSetting menu language Setting day and time Scroll with to Specifications Confirm with Displaying appliance specifications SGEConfirm the minute setting with Table shows the correct settings Appliance Default Range Service programSetting the hysteresis Displaying the error history Switching legionella prevention on and off Switching the pump on or offSetting the service interval Setting legionella prevention Setting the solar limit temperature Solar heating system configurationSetting the drain-back tank Setting the heating fluid type in the solar heating system Setting the central heating configuration Setting the QT sensor yes/noReading the energy contribution of the solar heating system Distinction is made between TroubleshootingGeneral errors Displayed errors Start the appliance up 9 Starting and running Troubleshooting table for general errorsSymptom Cause Solution Remark Gas smell Display is off Insufficient or absent Symptom Cause Solution Remark Water leakageExplosive ignition Hot water supply Symptom Cause Solution Remark Troubleshooting table for displayed errors Displayed errors S13 blocking error Code + Description Cause Solution RemarkS11 blocking error S12 blocking error F01 blocking error Code + Description Cause Solution Remark S18 blocking errorF02 lock out error Closing Code + Description Cause Solution Remark F03 lock out errorFails to work correctly Engineer Pressure switch not Maintenance 15.2 Preparation for maintenance. If there is Area Code + Description Cause Solution Remark F04 lock out errorF05 lock out error No gas Safety relay Engineer Code + Description Cause Solution Remark F06 lock out errorF07 lock out error F08 lock out error F11 blocking error Code + Description Cause Solution Remark F10 lock out error Selected appliance Code + Description Cause Solution Remark C02 lock out errorC03 blocking error C04 blocking error E04 lock-out error Code + Description Cause Solution Remark E01 blocking errorTemperature E03 lock-out error Displayed warnings Standard setting is 500 burning hours Maintenance frequencyBest maintenance frequency can be determined Maintenance, based on the number of burning hours Maintenance frequency Introduction Preparation for maintenance Performing maintenanceWait until the fan has stopped. The icon is then dimmed Performing maintenance Following steps must be carried out on the water side Water-side maintenance IntroductionDescaling and cleaning the tank Checking the anodes Clean the orifices Cleaning condensation water dischargeGas-side maintenance Introduction Clean the burners Collector warranty Conditions for Installation and use Warranty certificate16.1 General warranty 16.2 Tank warranty Warranty certificate Heating system AppendicesThis appendix contains Menu structure of the main menu 17.2 Menu structure Appendices Menu structure 101 Electrical diagram Electrical diagram for the appliance Temperature sensor T1 top Extra on mode switchExtra error signal connection Controller 0/I switch Electrical diagram, solar heating system Solar system electrical diagram legend 106 Example Period Week program cardPeriod Tset Pump 108 109 Index Index 0308