BoilerFaultCodesWorcester Bosch 2920 V Fault Code
Also written as 2920V — same fault.
The Worcester Bosch 2920 V fault code means: your boiler has stopped working because it cannot confirm that the flame is properly lit, causing the system to shut down for safety.. It appears on 11 Worcester Bosch models in our database.
Technical description: Error with the flame monitoring
What causes the Worcester Bosch 2920 V fault?
This fault occurs when the boiler's internal computer is unable to detect a steady flame during the ignition process or while the burner is running. It is often caused by a dirty or damaged sensing probe that can no longer 'see' the heat, or a communication failure in the wiring that carries this signal to the control board.
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 2920 V fault code
Click a model for the full fault code list and model-specific repair notes.
- 24 RSF Repair: £120-£350
- 26 CDi Xtra Repair: £120-£350
- 30i Junior Repair: £100-£280
- 35 RSF Repair: £120-280
- Danesmoor Repair: £120-280
- Greenstar 2000 Repair: £120-£280
- Greenstar 8000 Life/Style Repair: £120-350
- Heatslave Repair: £120-350
- Hideaway Repair: £120-300
- Junior 24i Repair: £120-280
- Junior 28i Repair: £100-£250
Source
Worcester Bosch 2920 V 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