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 it from starting up.

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.

Manufacturer manual

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

Shared across the range

This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.

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

Boiler cover options

A cover plan would handle faults like F7: no call-out fees, no surprise bills.

Approved partner

Domestic Appliance Guard

Unlimited call-outs, 24/7 helpline, no price-hike promise

Affiliate links. We may earn a commission at no extra cost to you.