What does the Worcester Bosch F7 fault code mean?

Your boiler thinks it sees a flame even though it should be turned off, which is a safety conflict that prevents the system from starting.

How much does it cost to fix Worcester Bosch error code F7?

Typical repair cost for the Worcester Bosch F7 fault is £120-350 including labour.

Flame detected even though the appliance is switched off – check the electrode assembly is dry and the pcb and flue are clear.

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.