How much does it cost to fix Worcester Bosch error code OVERHEAT CUT-OFF?

Typical repair cost for the Worcester Bosch OVERHEAT CUT-OFF fault is £120-250 including labour.

OVERHEAT CUT-OFF High

Worcester Bosch OVERHEAT CUT-OFF Fault Code

Q: What does the Worcester Bosch OVERHEAT CUT-OFF fault code mean?

Your boiler has detected that it got too hot and has automatically shut itself down to prevent damage or fire risk.

Also written as OVERHEATCUTOFF — same fault.

The Worcester Bosch OVERHEAT CUT-OFF fault code means: your boiler has detected that it got too hot and has automatically shut itself down to prevent damage or fire risk.. It appears on 2 Worcester Bosch models in our database.

Technical description: The appliance will enter a lockout condition in the event of overheating. An overheat cut-off thermostat is fitted to the appliance which will interrupt the electricity supply to the ignition circuit. If the overheat cut-off has operated the fan and/or pump will run but the burner will not light. (No spark generation).

Typical repair cost £120-250 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Worcester Bosch models that show the OVERHEAT CUT-OFF fault code

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

Source

Worcester Bosch OVERHEAT CUT-OFF 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