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.

Popular: Washing machine won’t drain RCD keeps tripping Radiator not heating
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 dryers.

View appliance guides →
♨

Heating

Radiators, thermostats, boiler pressure and heating controls.

View heating guides →
⌁

DIY Repairs

Doors, walls, floors, fittings, damp, mould and general repairs.

View DIY guides →
◉

Fire Alarms

Panel faults, detector issues, battery faults and false alarms.

View fire alarm guides →

COMMON PROBLEMS

Popular troubleshooting guides

AppliancesWashing Machine Won’t Drain→ AppliancesDishwasher Not Draining→ ElectricalRCD Keeps Tripping→ ElectricalSocket Not Working→ HeatingRadiator Cold at the Top→ HeatingBoiler Pressure Keeps Dropping→ PlumbingToilet Keeps Running→ PlumbingTap Keeps Dripping→

HOW IT WORKS

Repair guidance in the right order

Every guide starts with safety, then moves through quick checks, common causes, step-by-step fixes and advanced diagnostics.