What the manual says
Manufacturer manualChimney sweep demand
From this model's manual
Verified against the Worcester Bosch 26 Cdi Xtra installation & service manual.
DIY fix possible
Locate the 'Chimney Sweep' button (symbol looks like a small brush or a circle within a triangle) on the control panel.Press and hold the button for at least 5 seconds until the display returns to the normal temperature reading.Switch the boiler off and back on at the fused spur switch to reset the operating mode.
Find a Gas Safe engineer
Search the official register →
Boiler cover options
Avoid the next call-out bill
A cover plan would handle faults like 208 0: no call-out fees, no surprise bills.
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.