2925 High

Worcester 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 4 Worcester Bosch models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

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.

Typical repair cost £250-550 (including labour)

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 →
Boiler cover options

Avoid the next call-out bill

A cover plan would handle faults like 2925: no call-out fees, no surprise bills.

Approved partner
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Get a quote →

Affiliate links. We may earn a commission at no extra cost to you.

Worcester Bosch models that show the 2925 fault code

Click a model for the full fault code list and model-specific repair notes.

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 7 July 2026