BoilerFaultCodesWorcester Bosch EA 229 Fault Code
Also written as EA229 — same fault.
The Worcester Bosch EA 229 fault code means: your boiler has lost its flame while it was running, which means it has safely shut down because it can no longer detect the fire needed to heat your water.. It appears on 12 Worcester Bosch models in our database.
Technical description: Loss of ionisation signal during operation
DIY fix possible
Check that your gas prepayment meter has credit.Check if other gas appliances in your home, like a hob, are working.During freezing weather, check if the white plastic condensate pipe leading outside is frozen and thaw it with warm water.Press the Reset button on the front of the boiler for five seconds.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Worcester Bosch models that show the EA 229 fault code
Click a model for the full fault code list and model-specific repair notes.
- 24 RSF Repair: £90-280
- 26 CDi Xtra Repair: £100-280
- 30i Junior Repair: £100-£250
- 35 RSF Repair: £90-250
- Danesmoor Repair: £100-£280
- Greenstar 12i System Repair: £150-350
- Greenstar 12i System Repair: £120-250
- Greenstar i Repair: £150-300
- Heatslave Repair: £120-350
- Hideaway Repair: £100-300
- Junior 24i Repair: £100-280
- Junior 28i Repair: £100-£250
Source
Worcester Bosch EA 229 fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026