What the manual says
Manufacturer manualDeletefaulthistory
From this model's manual
Verified against the Vaillant Ecotec Plus installation & service manual, page 76.
DIY fix possible
No action is required as this is just a status notification.Observe the boiler for 24 hours to ensure it is functioning normally.If no other error codes appear, you can continue using your heating and hot water as normal.
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.