What the manual says
Manufacturer manualThree way valve kick. If the 3-way valve hasn't moved in up to 48 hours, the valve will operate once to prevent seizure.
From this model's manual
Verified against the Worcester Bosch Greenstar 8000 Life Regular installation & service manual, page 71.
DIY fix possible
No action is requiredObserve the boiler display to see if the status code clearsResume normal use as this is a protective self-test routine
Find a Gas Safe engineer
Search the official register →
Boiler cover options
Avoid the next call-out bill
Monthly cover means no unexpected bills when your boiler breaks down.
Approved partner
Get a quote →
Domestic Appliance Guard
Unlimited call-outs, 24/7 helpline, no price-hike promise
Affiliate links. We may earn a commission at no extra cost to you.