Baxi Potterton Gold HE A Range manual Display illuminates, Error 133 flashing, Pump runs

Page 53

18.0 Fault Finding

Refer to Section 16.0 “Illustrated Wiring Diagram” for position of terminals and components

Central Heating - Follow operational sequence (do

Turn selector switch to

NO

The display illuminates

YES

Error 110 flashing

YES

Error 130 flashing

Error 133 flashing

NO

YES

Error 20, 28 or 50 flashing

NO

YES

Error 119 flashing

NO

Turn Central Heating

NO

thermostat to Maximum.

Pump runs

YES

YES

Error 125 or 193 flashing

NO

NO

3-way valve is open to Central

Heating circuit

YES

NO

Fan runs

YES

NO

Fan runs at correct speed

YES

Spark at ignition electrodes for

NO

up to 5 seconds and for 3

attempts

YES

NO

YES

Burner lights

YES

NO

Burner output modulates to maintain the temperature set

YES

YES

Burner goes out

Go to section ‘A’

	Turn the selector switch to				YES
	reset position for 5 seconds


	Go to section ‘E’


	Go to section ‘C’


	NO

	Ensure all controls (and				YES
	integral clock if fitted) are				YES
	calling for heat


	Ensure that primary
	circulation is OK & that
	there is no blockage


	Go to section ‘K’


	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


	Check the Central Heating
	NTC sensor
	Go to section ‘E’


	Error 130 flashing
	Go to section ‘M’
					YES

	Fan stops after 10 seconds

If the error 110 is still flashing.

Go to section ‘J’

Ensure controls are set to

demand and verify the

contacts are closed

Go to section ‘B’

Go to section ‘H’

Turn the selector switch to

reset

Error 133 flashing

Go to section ‘I’

Pump continues to run for 3 YES minutes

(room thermostat open)

Operation sequence

successful

© Baxi Heating UK Ltd 2008

53

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Contents Installation & Service Instructions BS-EN ISO 9001 Accredited Company Natural GasScheme Members only Installer Notification GuidelinesCodes of Practice refer to the most recent version Important Installation, Commissioning, Service & RepairLegislation General Safe Manual HandlingPreparation TechniqueContents Description Contents of PackIntroduction Layout General LayoutPump Protection Frost Protection ModeAppliance Operation Gold Combi 24, 28 & 33 HE a Technical DataOrientation Dimensions and FixingsFlue Ø 100mm Tap Rail 32.5 mm Condensate Drain 65 mm 22mm 15mmInformation System DetailsCentral Heating Circuit BypassPressure Relief Valve Fig System Filling and Pressurising FigExpansion Vessel Central Heating only Hard Water Areas Domestic Hot Water Circuit FigShowers Clearances Figs Site RequirementsLocation Ventilation of Compartments Site RequirementGas Supply Electrical SupplyCondensate Drain Flue terminal guard FlueHorizontal Flues Flue OptionsHorizontal Flue Systems This bend is equivalent to 1 metreTwin & Vertical Flue Systems Vertical Flues Twin PipeMetre for each 91.5 bend Metre for each 135 bend This bend is equivalent to 1 metre5111079 Flue AccessoriesKey Accessory Size Code No For Twin Flue Systems fit the adaptors as follows Flue Duct AdaptorAir duct adaptor For Roof Terminals Flue DimensionsFlue Trim Flue Deflector FigMetres Ring Adaptor Plume DisplacementPlume Displacement Kit Fig 28/33 Additional Accessories Elbow 5121369 Elbow Pair 5121370Determining Permissible Lengths ExampleGeneral Fitting Notes Shown in . Complete the installation of the 60Ø30mm Exhaust, securing in the bracketsPlume Outlet Elbow Flushing InstallationUnpacking & Initial Preparation Fitting the Filling Loop Loop and valves must be connected as shown in the diagram aDouble Check Valve Stop Valve Temporary Filling Loop Hose Fitting Cold Inlet Stop ValveFitting the Pressure Relief Discharge Pipe Fig Fitting The BoilerCondensate Drain see section Tighten all the connectionsWall Thickness Waste Fitting The FlueFlue Elbow Ensure Elbow is fully Engaged into BoilerEnsure Extension is Fully engaged into Boiler Adaptor Inner Flue Support BracketEnsure Flue is fully Engaged into Flue Elbow Preliminary Electrical Checks Making The Electrical ConnectionsTerminal Block Cover Cable ClampCommissioning Selector Switch DisplayCommissioning the Boiler Heat Exchanger Automatic Air Vent Screw PumpChecking Temperature ControlSetting the Timer Case Front Panel Facia Panel CompletionCompletion 13 .1 Annual Servicing ServicingViewing Window Annual ServicingBurner Spark and Sensing Electrodes Fig Changing ComponentsIgniter Fig Venturi Fig Fan FigInjector Fig Gasket Venturi Injector Cover Gas Inlet Pipe Fan CollectorExtension Piece Burner FigInsulation Fig Safety Thermostat Fig Central Heating Temperature Sensor NTC FigDHW Temperature Sensor NTC Fig Flue/Heat Exchanger Thermostat Sensor FigPump Head Only Fig Heat Exchanger Automatic Air Vent FigPump Complete Fig Automatic Air Vent FigHall Effect Sensor Fig Pressure Gauge FigsPlate Heat Exchanger Fig Diverter Valve Motor Unit & Assembly Figs14.20 P.C.B. Fig Selector Switch FigCompletely undo the screws securing the control box Pin FigVenturi Inlet Pipe Gas Valve FigExpansion Vessel Fig Checking the CO2 Temperature Control Selector Switch DisplayCombustion Check Electrical Illustrated Wiring DiagramKey Description Manufacturers Short Parts ListShort Parts List Error Codes Fault FindingInitial Fault Finding Checks Reset position for 5 seconds Error 133 flashingDisplay illuminates Pump runsDomestic Hot Water Follow operational sequence Error 110 flashingTurn Domestic Hot Water Open DHW tap fullySwitch terminal PCB X3 connector terminals 3Fan jammed or faulty winding Replace PCB Is there 230V at Main terminals L and N Main terminal fuseReplace gas valve Gas at burnerTerminals 1 Ensure that the Hall Effect Sensor is in positionReplace heat exchanger Replace safety thermostatReplace PCB Is there 230V at GAS Boiler Commissioning Checklist Service Interval Record UK Comp No 5116282 Iss 7 4/08 Brooks House, Coventry Road, Warwick. CV34 4LL