General Fault finding

The professional heating engineer’s complete “Boiler Fault Finder” for boiler and central heating fault finding.

“Boiler Fault Finder” results from years of experience as a professional service and repair engineer, demonstrating technical expertise within the industry.

The aim of its design is simple; to aid other competent gas operatives within the field, accurately and safely, allowing you to build a base on which to develop your own skills, at your own pace.

This technical, yet easy to follow “Boiler Fault Finder” is an invaluable key component within your everyday tool kit.”

Noisy Heat Exchanger

Noisy Heat Exchanger

Noisy Heat Exchanger? Fault Finder for Heating Engineers and Plumbers
Domestic Hot Water Faults

Domestic Hot Water Faults

When the hot water is ok but the central heating is not, this eliminates all operating sequence possible faults such as the fan, air pressure switch, pump, ignition sequence, ignition detection, gas valve and domestic hot water thermistor. Therefore,...
Boiler Shuts Down

Boiler Shuts Down

Boiler shuts down and goes to lockout Fault Fix faulty pump (not at full capacity) replace pump head faulty fan (not at full capacity) check / lubricate bearings clear debris build up replace fan assembly blocked...
Fan Problems

Fan Problems

Fan running but no ignition at electrodes Fault Fix air pressure switch hoses loose check ports and firmly fix split / kinked hoses remove kink / replace hose water in hoses (condensation) dry hoses / replace...
Radiator Problems

Radiator Problems

Radiator Problems Solved with our Fault Finder for Heating Engineers and Plumbers
Burner Not Igniting

Burner Not Igniting

Burner Not Igniting on your Boiler? Fault Finder for Heating Engineers and Plumbers
Noisy Hot Water Flow Switches

Noisy Hot Water Flow Switches

Noisy Hot Water Flow Switches? See our Fault Finder for Heating Engineers and Plumbers
Noisy Solenoid

Noisy Solenoid

Noisy Solenoid? Check out Fault Finder for Heating Engineers and Plumbers
Pressure Relief Valve Problems

Pressure Relief Valve Problems

Pressure Relief Valve Problems? Get the Fault Finder for Heating Engineers and Plumbers App
Explosive Ignition

Explosive Ignition

Fault Fix pilot assembly not positioned correctly reposition assembly faulty gas valve (over gassing) check burner pressures faulty gas valve (sticking armature) replace solenoid / gas valve partially blocked...
Noisy Fan

Noisy Fan

Noisy Fan? Get our latest Fault Finder for Heating Engineers and Plumbers App
Noisy Pump

Noisy Pump

Noisy Pump? Fix it with our Plumbers Fault Finder App for Heating Engineers
Faulty printed circuit board (hot water side)

Faulty printed circuit board (hot water side)

The PCB controls major elements of all boilers including: the fan, pump, gas valve, thermocouple, thermostat, overheat, etc. Most problems are cumulative with PCB issues. There is a pre-defined sequence of operations for boiler operation which is critical...
Blocked Plate Exchanger

Blocked Plate Exchanger

Blocked Plate Exchanger? Fix it with our Plumbers Fault Finder App for Heating Engineers

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