BoilerFaultCodesWorcester 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 8 Worcester Bosch models in our database.
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.
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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Gas Safe Register →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 27 April 2026