Source-backed catalogue
Verified boiler fault-code guides
Choose a supported model and code to read the catalogue entry and its source documents.
Potterton · Gold Combi HE
- Potterton E119Water pressure switch not operated — primary pressure below 0.5 bar.
- Potterton E20Central heating NTC fault.
- Potterton E50Hot water NTC fault.
- Potterton E125Circulation fault (primary circuit).
- Potterton E110Safety thermostat operated (overheat of primary water or flue system).
- Potterton E160Fan or fan wiring fault.
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