BoilerFaultCodesWorcester Bosch E2 350 Fault Code
Also written as E2350 — same fault.
The Worcester Bosch E2 350 fault code means: your boiler has lost the ability to accurately measure the temperature of the water flowing through your heating system, so it has shut down to prevent the system from getting too hot.. It appears on 11 Worcester Bosch models in our database.
Technical description: Flow temperature sensor shorted
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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 E2 350 fault code
Click a model for the full fault code list and model-specific repair notes.
- 24 RSF Repair: £90-160
- 26 CDi Xtra Repair: £90-160
- 30i Junior Repair: £90-160
- 35 RSF Repair: £100-£180
- Danesmoor Repair: £120-190
- Greenstar 12i System Repair: £120-220
- Greenstar i Repair: £120-200
- Heatslave Repair: £120-£200
- Hideaway Repair: £90-160
- Junior 24i Repair: £90-160
- Junior 28i Repair: £90-160
Source
Worcester Bosch E2 350 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