BoilerFaultCodesWhat the manual says
Manufacturer manualTemporary fault code (Refer to section 7.10)
From this model's manual
Verified against the Vokera Easi Heat I Combi installation & service manual.
What causes this fault?
This fault occurs when the boiler's internal computer chips struggle to communicate with each other during a startup check. It is often caused by a loose connection in the wiring or a glitch on the main control board that prevents the system from confirming everything is safe to run.
DIY fix possible
Locate the mode selector switch on the front of the boiler.Turn the switch to the 'OFF/RESET' position and wait for 5 seconds.Turn the switch back to either 'Hot Water Only' or 'Heating and Hot Water' to restart the system.
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 80: 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.