Home/Boiler Fault Codes/Worcester Bosch 224
WORCESTER BOSCH FAULT CODE
Worcester Bosch 224
Points to a fault with one of the boiler's temperature sensors (NTC sensors), which monitor water and component temperatures to keep the boiler operating safely.
WHAT 224 TYPICALLY INDICATES
Points to a fault with one of the boiler's temperature sensors (NTC sensors), which monitor water and component temperatures to keep the boiler operating safely.
WHAT TO DO
This is a sensor and wiring fault, not something to investigate behind the casing yourself. 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 224 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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