Baxi Potterton 24 Eco HE manual Fault Finding Solutions Sections a to E

Page 43

15.0 FAULT FINDING

Fault Finding Solutions Sections A to E

A

Is there 230V at:

1. Main terminals L and N

NO

Check electrical supply

2. Main terminal fuse

YES

Replace fuse

neon

NO

Replace PCB

3. Selector terminals a & b and a & 3. PCB - M1 connector terminals 9 & 10

NO

Check wiring Replace selector

illuminated

B

Is there 230V at:

 

 

 

 

 

 

 

NO

1.

 

 

 

 

Pump

 

 

If pump jammed, release

 

 

 

 

 

 

 

 

 

Replace pump

2. PCB - M1 connector terminals 8 & 15

YES

Change pump supply cable

NO

Replace PCB

C 1.

CH system pressure 0.5 to 1.5 bar

NO

Re-pressurise system

2.

3.

Check the tap of the

NO

automatic air vent is opened

 

 

 

Primary flow valve diaphragm damaged

NO

YES

Open the automatic air vent

Replace diaphragm

Flow valve rod obstructed

D

1.

 

 

NO

 

 

 

Continuity across flow

 

 

 

 

 

 

 

 

 

 

microswitch and PCB M2

 

 

 

 

 

 

 

 

 

 

 

 

connector terminals 3 & 4

 

 

 

 

 

2.

 

 

 

 

 

 

 

 

 

 

 

 

 

Primary temperature sensor faulty.

YES

 

 

Cold resistance approx. 11K ohms

 

 

 

 

 

 

(resistance reduces with increase in temp.)

 

 

 

3.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Fan connections correct at fan.

YES

 

 

 

 

 

 

 

 

PCB - M5 connector, is 230V

 

 

 

 

 

 

 

 

 

across terminals 28 & 29

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NO

 

 

 

 

 

 

 

 

 

 

 

 

Replace microswitch

Replace sensor

Fan jammed or faulty winding

Replace PCB

YES

Replace fan

Publication No. 5111811

43

Page 42 Page 44
Image 43
Page 42 Page 44
Contents Performa Contents Scheme Members only Installer Notification GuidelinesLegislation Important Installation, Commissioning, Service & RepairDescription IntroductionOptional Extras Layout General LayoutCentral Heating Circuit Key Central Heating Mode FigDomestic Hot Water Mode Fig Appliance OperationTechnical Data Left Hand Side 130mm Boiler Dimensions and FixingsGas Inlet 68mm 95mm 65mmBypass System DetailsInformation Central Heating CircuitExpansion Vessel Central Heating only System Filling and PressurisingPressure Relief Valve Fig Showers Domestic Hot Water CircuitHard Water Areas Location Site RequirementsGas Supply Ventilation of CompartmentsElectrical Supply Condensate Drain Likely flue positions requiring Flue terminal guard FlueMaximum permissible flue length is 4 metres Flue DimensionsFlue Trim Terminal Guard FigFlue Options Horizontal Flues Vertical Twin PipePreparing The Boiler InstallationInitial Preparation FlushingFitting the Pressure Relief Discharge Pipe Fig Fitting The BoilerFitting The Flue Condensate Drain see sectionVertical Flue Preliminary Electrical Checks Functional Flow DiagramKey to Wiring Making The Electrical ConnectionsCommissioning the Boiler CommissioningChecking the Burner Pressure Adjusting the Pressure FigCompletion Completion11 .1 Annual Servicing Servicing the BoilerW. Filters Fig Annual ServicingInlet / Return Manifold Changing Components Pressure Switch FigBurner Fig Heat Exchanger FigElectrodes Fig Injectors FigInsulation Fig Safety Thermostat Fig Temperature Sensor FigGas Valve Fig Pump Complete Figs Pump Head Only FigsAutomatic Air Vent Fig Expansion Vessel Fig Pressure Gauge FigsCondensate Trap Fig 12.18 P.C.B. Fig Selector Switch FigDHW Pressure Differential Valve Fig Diverter Valve Assembly FigPlate Heat Exchanger Fig SealsCH Pressure Differential Valve Fig Diverter Valve AssemblyCH Pressure Microswitch Fig Flow Regulator FigsFlue Overheat Thermostat Fig Secondary Heat Exchanger FigElectrical Illustrated Wiring DiagramControl PCB Short Parts List Short Parts ListCarry out initial fault finding checks Fault FindingOperation sequence Correct Operation sequence Fault Finding Solutions Sections a to E Fault Finding PCB GAS Boiler Commissioning Checklist Service 7 Date Service 1 DateService 3 Date Service 5 DateLiterature Request GB Service GBGeneral Enquiries GB Technical GB

24 Eco HE specifications

The Baxi Potterton 24 Eco HE is a highly efficient and reliable boiler designed to meet the heating and hot water needs of modern homes. This wall-mounted combination boiler is particularly suited for smaller properties, providing a compact solution without compromising on performance.

One of the standout features of the Baxi Potterton 24 Eco HE is its high efficiency rating. It boasts an impressive ErP A-rating for both heating and hot water, which indicates that it is designed to minimize energy consumption and reduce utility bills. The condensing technology employed in this boiler recovers heat from flue gases that would otherwise be lost, optimizing the overall energy use and enhancing its eco-friendly credentials.

The Baxi Potterton 24 Eco HE also incorporates an intelligent control system, allowing homeowners to manage their heating settings more effectively. The built-in digital display is user-friendly, providing easy access to information such as system pressure and temperature settings. This feature facilitates easy programming of heating schedules, helping to ensure comfort while optimizing energy use.

Another characteristic of the Baxi Potterton 24 Eco HE is its impressive hot water output. With a hot water flow rate of up to 10.2 liters per minute, it ensures that showers and taps can be used simultaneously without running out of hot water. This makes it an excellent choice for families or households where demand for hot water is high.

Furthermore, the compact design of the Baxi Potterton 24 Eco HE allows for flexible installation options. Its reduced size means it can fit easily in kitchen cupboards or other confined spaces, making it ideal for homes where space is at a premium.

The boiler is equipped with a low-energy pump and a built-in frost protection feature, ensuring reliable operation even in colder climates. Additionally, its quiet operation contributes to a more comfortable living environment.

In summary, the Baxi Potterton 24 Eco HE is an efficient, compact, and powerful boiler that caters to the demands of modern living. With features such as high efficiency, intelligent controls, impressive hot water delivery, and flexible installation options, it stands out as a top choice for homeowners seeking a dependable and eco-friendly heating solution. This boiler is a testament to Baxi's commitment to delivering quality and innovation in the heating sector.
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