Boiler Safety Fault Repair

What boiler safety fault repair covers

Safety-related faults need careful testing and a clear, compliant fix. This service is designed to restore safe boiler operation and reduce the risk of repeat breakdowns.

• Initial safety assessment and safe isolation where needed
• Fault code reading and targeted diagnostic testing
• Testing of key components (for example sensors, valves, ignition and controls)
• Repair or replacement of failed parts (with your approval)
• Checks for correct pressures, leaks and reliable ignition
• Flue and combustion safety checks where applicable
• Final operational testing of heating and hot water

When this service is the right fit

Book boiler safety fault repair if:

• Your boiler has been flagged with a safety fault during inspection
• The boiler repeatedly locks out or shows persistent fault codes
• You have intermittent heating or hot water, especially alongside warnings
• There are signs of unsafe operation (for example unusual smells, sooting, or repeated shut-downs)

If you suspect a gas leak or feel unwell with possible carbon monoxide exposure, follow emergency guidance immediately and contact the gas emergency service.

How the repair is carried out

The engineer will start with checks to confirm the appliance can be worked on safely. Next comes structured diagnosis using manufacturer data, meter readings and component tests. You will be talked through what has failed, what needs doing, and the options before any parts are fitted.

After the repair

Once repaired, the boiler is re-tested to confirm safe operation and stable performance. You will be advised on any follow-up work that could prevent further faults, such as servicing, system cleaning, or controls adjustments. If the boiler is not economical or safe to repair, you will be given clear next steps.