BoilerFaultCodesWhat the manual says
Manufacturer manualFlame error - False flame detected before burner start or Internal error
What causes this fault?
This fault occurs when the boiler's control system senses an electrical signal from the burner area at a time when there should be no fire present. The most common reason is a contaminated or damaged sensing electrode sending a false signal, or a fault within the main circuit board incorrectly interpreting electrical noise as a flame.
This fault can occasionally be triggered by high humidity or heavy rain, as moisture ingress into the flue or internal components can cause the electrical tracking that leads to a false flame signal.
Engineer required
This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Avoid the next call-out bill
A cover plan would handle faults like F7: no call-out fees, no surprise bills.
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