BoilerFaultCodesYour boiler has been put into a temporary reset mode because the button was held down too long or pressed accidentally.
This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.
Technical description: Reset button pressed by mistake.
What causes this fault?
This code appears when the reset button on the control panel has been pressed for more than 15 seconds or caught accidentally. It is a safety feature that puts the boiler into a temporary pause to prevent the internal software from becoming confused by constant reset signals. Once the system finishes its internal check, the code should clear automatically without any further action required.
DIY fix possible
Press the reset button firmly once and release it immediatelyWait up to 30 seconds for the display to return to a normal temperature readingIf the code persists, switch the boiler's power off and back on at the fused spur switch
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like Fd — no call-out fees, no surprises.
Affiliate links — we may earn a commission at no extra cost to you.
Worcester Bosch Greenstar 30HE is discontinued — time for a new one?
Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
Affiliate links — we may earn a commission at no extra cost to you.