Home/Boiler Fault Codes/Worcester Bosch EA
WORCESTER BOSCH FAULT CODE
Worcester Bosch EA
The boiler has attempted to ignite but no flame (no ionisation) was detected, so it has locked out as a safety measure. Common causes include a gas supply problem, a faulty ignition electrode, or a fault with the flame sensor.
WHAT EA TYPICALLY INDICATES
The boiler has attempted to ignite but no flame (no ionisation) was detected, so it has locked out as a safety measure. Common causes include a gas supply problem, a faulty ignition electrode, or a fault with the flame sensor.
WHAT TO DO
Check that the gas supply to the property is on and other gas appliances are working, and check the boiler's gas isolation valve hasn't been accidentally closed — beyond that, This is not a DIY fix — it requires a Gas Safe registered engineer to diagnose and repair safely.
A NOTE ON GAS SAFE REGISTRATION
Any work on the gas side of a boiler in the UK legally requires a Gas Safe registered engineer, it isn't optional. Our engineers are fully Gas Safe registered, and you're always welcome to ask to see ID on the day. This page is general information about what a fault code typically indicates; it is not a substitute for an engineer diagnosing your specific boiler.
Seeing Worcester Bosch EA on your boiler?
Tell us the code and your postcode. A fully Gas Safe registered engineer will diagnose the actual cause before quoting a fix.
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