What the manual says
Manufacturer manualchimney sweep function at minimum power during heating
From this model's manual
Verified against the Biasi Inovia 2020 Combi installation & service manual.
DIY fix possible
Locate the selector switch or 'Reset' button on the control panel.Press and hold the Reset button for 2 to 5 seconds to exit the service mode.If the code persists, turn the boiler off at the main power switch for 30 seconds and then back on.
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 hp: 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.