Potterton · Gold Combi HE
E125 boiler fault code
Gold Combi 24/28/33 HE (G.C. 47 590 05/06/19)
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What E125 means
Circulation fault (primary circuit).
Gas Safe engineer: Contact a Gas Safe registered engineer to diagnose this primary-circuit fault.
A boiler fault code alone is not a gas or carbon-monoxide emergency. If you smell gas, a CO alarm sounds, anyone feels unwell, or there is an unsafe flame, leave and call 0800 111 999 from outside.
Renting? Report it to your landlord or housing provider first. They are responsible for gas safety and boiler repairs, and the repair should not cost you.
Safe check
Note the code. Do not open or adjust the boiler, or repeatedly reset it. Contact a Gas Safe registered engineer.
When to contact an engineer
Contact a Gas Safe registered engineer to diagnose this primary-circuit fault.