Baxi Potterton Gold HE A Range Domestic Hot Water Follow operational sequence, Error 110 flashing

Page 54

18.0 Fault Finding

Domestic Hot Water - Follow operational sequence

Turn selector switch to The display illuminates

NO

Go to section ‘A’

YES

Error 110 flashing						YES
Error 133 flashing

NO
						YES
Error 20, 28 or 50 flashing						YES
Error 20, 28 or 50 flashing

NO
						YES
Error 119 flashing						YES
Error 119 flashing

NO
NO

Turn Domestic Hot Water
thermostat to Maximum.
Open DHW tap fully.
DHW Hall Effect sensor						NO
operated (red neon on the						NO


sensor illuminated

YES
						NO
3-way valve is open to						NO
Domestic Hot Water circuit

YES						NO
YES

Pump runs
Pump runs

YES
						NO
Fan runs						NO
Fan runs

YES
						NO
Fan runs at correct speed						NO
Fan runs at correct speed

YES

Spark at ignition electrodes for						NO
up to 5 seconds and for 3
up to 5 seconds and for 3
attempts

YES			NO
			NO
					YES
Burner lights					YES



YES					NO
YES

Burner output modulates to
Burner output modulates to
maintain the temperature set

YES				NO
YES

Close DHW tap

YES

DHW flow sensor senses no	YES
flow. Burner goes out

	Turn the selector switch to	YES
	reset position for 5 seconds


	Go to section ‘E’


	Go to section ‘C’
		YES

	DHW flow rate more than 2
	l/min


	Go to section ‘K’


	Error 125 flashing
	Go to section ‘B’


	Error 160 flashing
	Go to section ‘D’


	Error 160 flashing
	Go to section ‘L’
		YES

	Error 133 flashing
	Error 133 flashing


	Go to section ‘F’
		YES

	Burner does not stay alights
	after 5 seconds	NO


	Reduce DHW flow rate
	Reduce DHW flow rate
	Burner modulates


	Error 130 flashing
	Go to section ‘M’
		YES

	Fan stops after 10 seconds

If the error 110 is still flashing.

Go to section ‘J’

Go to section ‘B’

YES

Is mains water filter and

assembly clean?

Is the magnetic detector free

to move in the Hall Effect

sensor

Go to section ‘H’

Turn the selector switch to the

reset position for 5 seconds

Error 133 flashing

Go to section ‘I’

Clean DHW NTC sensor and DHW heat exchanger

YES

Pump runs for 30 seconds

Operation sequence

successful

54© Baxi Heating UK Ltd 2008

Image 54

Contents Installation & Service Instructions Natural Gas BS-EN ISO 9001 Accredited CompanyInstaller Notification Guidelines Scheme Members onlyImportant Installation, Commissioning, Service & Repair LegislationCodes of Practice refer to the most recent version Preparation Safe Manual HandlingGeneral TechniqueContents Contents of Pack IntroductionDescription General Layout LayoutFrost Protection Mode Appliance OperationPump Protection Technical Data Gold Combi 24, 28 & 33 HE aFlue Ø 100mm Tap Rail 32.5 mm Condensate Drain 65 mm Dimensions and FixingsOrientation 22mm 15mmCentral Heating Circuit System DetailsInformation BypassSystem Filling and Pressurising Fig Expansion Vessel Central Heating onlyPressure Relief Valve Fig Domestic Hot Water Circuit Fig ShowersHard Water Areas Site Requirements LocationClearances Figs Gas Supply Site RequirementVentilation of Compartments Electrical SupplyCondensate Drain Flue Flue terminal guardHorizontal Flue Systems Flue OptionsHorizontal Flues This bend is equivalent to 1 metreMetre for each 91.5 bend Vertical Flues Twin PipeTwin & Vertical Flue Systems Metre for each 135 bend This bend is equivalent to 1 metreFlue Accessories Key Accessory Size Code No5111079 Flue Duct Adaptor Air duct adaptorFor Twin Flue Systems fit the adaptors as follows Flue Trim Flue DimensionsFor Roof Terminals Flue Deflector FigPlume Displacement Plume Displacement Kit FigMetres Ring Adaptor Determining Permissible Lengths Additional Accessories Elbow 5121369 Elbow Pair 512137028/33 Example30mm Shown in . Complete the installation of the 60ØGeneral Fitting Notes Exhaust, securing in the bracketsPlume Outlet Elbow Installation Unpacking & Initial PreparationFlushing Double Check Valve Stop Valve Temporary Filling Loop Loop and valves must be connected as shown in the diagram aFitting the Filling Loop Hose Fitting Cold Inlet Stop ValveCondensate Drain see section Fitting The BoilerFitting the Pressure Relief Discharge Pipe Fig Tighten all the connectionsFlue Elbow Fitting The FlueWall Thickness Waste Ensure Elbow is fully Engaged into BoilerInner Flue Support Bracket Ensure Flue is fully Engaged into Flue ElbowEnsure Extension is Fully engaged into Boiler Adaptor Terminal Block Cover Making The Electrical ConnectionsPreliminary Electrical Checks Cable ClampCommissioning the Boiler Selector Switch DisplayCommissioning Heat Exchanger Automatic Air Vent Screw PumpTemperature Control CheckingSetting the Timer Completion CompletionCase Front Panel Facia Panel Servicing 13 .1 Annual ServicingAnnual Servicing BurnerViewing Window Changing Components Igniter FigSpark and Sensing Electrodes Fig Injector Fig Fan FigVenturi Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorBurner Fig Insulation FigExtension Piece DHW Temperature Sensor NTC Fig Central Heating Temperature Sensor NTC FigSafety Thermostat Fig Flue/Heat Exchanger Thermostat Sensor FigPump Complete Fig Heat Exchanger Automatic Air Vent FigPump Head Only Fig Automatic Air Vent FigPressure Gauge Figs Hall Effect Sensor FigDiverter Valve Motor Unit & Assembly Figs Plate Heat Exchanger FigCompletely undo the screws securing the control box Selector Switch Fig14.20 P.C.B. Fig Pin FigGas Valve Fig Expansion Vessel FigVenturi Inlet Pipe Temperature Control Selector Switch Display Combustion CheckChecking the CO2 Illustrated Wiring Diagram ElectricalShort Parts List Short Parts ListKey Description Manufacturers Fault Finding Initial Fault Finding ChecksError Codes Display illuminates Error 133 flashingReset position for 5 seconds Pump runsTurn Domestic Hot Water Error 110 flashingDomestic Hot Water Follow operational sequence Open DHW tap fullyFan jammed or faulty winding Replace PCB PCB X3 connector terminals 3Switch terminal Is there 230V at Main terminals L and N Main terminal fuseTerminals 1 Gas at burnerReplace gas valve Ensure that the Hall Effect Sensor is in positionReplace safety thermostat Replace PCB Is there 230V atReplace heat exchanger GAS Boiler Commissioning Checklist Service Interval Record Brooks House, Coventry Road, Warwick. CV34 4LL UK Comp No 5116282 Iss 7 4/08