What the manual says
Manufacturer manualTemporary flame loss. Boiler will self reset, if fault continues you will see 3 red flashes.
From this model's manual
This code was read directly from the manufacturer service manual for this model.
DIY fix possible
Monitor the boiler to see if it resets itself automaticallyCheck that other gas appliances in the home are working correctly to ensure gas supplyIf the fault persists or changes to 3 red flashes, contact a Gas Safe engineer
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 3 green flashes: 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.