262 High

Worcester Bosch 262 Fault Code

The Worcester Bosch 262 fault code means: your boiler's internal computer has encountered a communication error or a software fault and cannot operate correctly.. It appears on 9 Worcester Bosch models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: System fault boiler electronics / basic controller

What causes the Worcester Bosch 262 fault?

This fault occurs when the boiler's internal components stop talking to each other, similar to a computer crashing. It is usually caused by a glitch in the main control board or a loose connection in the wiring that prevents the system from booting up safely.

Typical repair cost £300-£650 (including labour)

DIY fix possible

Press the Reset button on the boiler's front display panelTurn off the power to the boiler at the fused spur switch, wait 30 seconds, and turn it back onCheck if any recent electrical work in the home might have caused a power surge

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Worcester Bosch models that show the 262 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Worcester Bosch 262 fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026