BoilerFaultCodesWorcester Bosch 2925 Fault Code
The Worcester Bosch 2925 fault code means: your boiler has experienced an internal electrical error that has caused it to stop working for safety.. It appears on 9 Worcester Bosch models in our database.
Technical description: Boiler electr. system fault
What causes the Worcester Bosch 2925 fault?
This fault occurs when the boiler's internal computer system detects a communication failure between the electronic control board and its connected sensors or wiring. It is typically caused by a loose connection in the internal wiring harness or a critical component failure on the printed circuit board itself.
DIY fix possible
Press the 'Reset' button on the front control panel once.Wait up to 10 minutes to see if the boiler restarts normally.If the code persists or returns immediately, do not attempt further repairs and contact a Gas Safe engineer.
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 2925 fault code
Click a model for the full fault code list and model-specific repair notes.
- 1000 Repair: £180-350
- Greenstar 2000 Repair: £150-300
- Greenstar 27CDi Repair: £150-300
- Greenstar 28CDi Repair: £150-300
- Greenstar 8000 Repair: £150-300
- Greenstar 8000 Life Repair: £250-450
- Greenstar 8000 Life System Repair: £250-450
- Greenstar 8000 Life/Style Repair: £250-550
- Greenstar 8000 Style Repair: £150-300
Source
Worcester Bosch 2925 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