Medium
2915 on Worcester Bosch Greenstar 2000 GR2301iW 25 C

Your boiler's internal fan is continuing to run constantly even after the heating or hot water has finished.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

The fan keeps running after the post

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar 2000 Gr2301iw 2023 installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

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 →

Avoid the next call-out bill

A cover plan would handle faults like 2915: 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.

Related fault codes

All 143 fault codes on the Greenstar 2000 GR2301iW 25 C

Seeing a different code? Every code this model can display, in one place.

Related guides you might find useful