Electrical Fault-Finding Guides
RCDs, breakers, sockets, lighting, power loss and fixed electrical equipment.
HOME FAULT-FINDING LIBRARY
Find the fault.
Fix the problem.
Clear, practical troubleshooting guides for electrical faults, plumbing problems, appliances, heating, fire alarms and everyday home repairs.
FaultNest Diagnostic Path
1
Identify the symptom
Match the exact behaviour or warning sign.
2
Run the quick checks
Start with the safest and simplest causes.
3
Follow the correct fix
See tools, test results and next steps.
BROWSE GUIDES
Choose a category
Start with the system or area where the fault appears.
Electrical
RCDs, circuit breakers, sockets, lighting and power faults.
View electrical guides →Plumbing
Leaks, blocked drains, toilets, taps and water pressure problems.
View plumbing guides →Appliances
Washing machines, dishwashers, ovens, fridges and tumble dryers.
View appliance guides →Heating
Radiators, thermostats, boiler pressure and heating controls.
View heating guides →DIY Repairs
Walls, floors, fittings, fixings and general household repairs.
View DIY repair guides →Fire Alarms
Panel faults, detector issues, battery faults and false alarms.
View fire alarm guides →Damp & Mould
Condensation, mould growth, penetrating damp and moisture problems.
View damp and mould guides →Doors & Windows
Sticking doors, draughts, locks, hinges, seals and window faults.
View door and window guides →Garden & Outdoor
Fences, sheds, gates, drainage, outdoor electrics and exterior repairs.
View outdoor repair guides →Tools & Guides
Testing tools, maintenance checklists, reference guides and repair planning.
Browse tools and guides →COMMON PROBLEMS
Popular troubleshooting guides
Appliances
Washing Machine Won’t Drain
→
Appliances
Dishwasher Not Draining
→
Electrical
RCD Keeps Tripping
→
Electrical
Socket Not Working
→
Heating
Radiator Cold at the Top
→
Heating
Boiler Pressure Keeps Dropping
→
Plumbing
Toilet Keeps Running
→
Plumbing
Tap Keeps Dripping
→
Damp & Mould
Mould Around Windows
→
Doors
Door Won’t Close Properly
→
Fire Alarms
Fire Alarm Panel Beeping
→
Outdoor
Outside Socket Not Working
→
HOW IT WORKS
Repair guidance in the right order
Every FaultNest guide starts with safety, then moves through quick checks, common causes, step-by-step fixes and advanced diagnostics.
01
Match the exact symptom
Check noises, warning lights, error codes and behaviour.
02
Start with simple checks
Rule out the safest, cheapest and most common causes first.
03
Understand the result
Each step explains what success or failure means.
PLANNED GUIDE LIBRARY
Built to cover the whole home
New pages will be added by category and automatically appear in the sitemap search.
Plumbing Troubleshooting Guides
Leaks, blockages, toilets, taps, pipework and water pressure faults.
Appliance Repair Guides
Washing machines, dishwashers, ovens, fridges, freezers and dryers.
Heating and Radiator Guides
Radiators, pressure, thermostats, pumps, controls and hot-water faults.
DIY and General Repair Guides
Walls, floors, fixings, fittings, furniture and common household repairs.
Fire Alarm Fault Guides
Panel faults, detector faults, batteries, sounders and false alarms.