Low
40e on Potterton Profile 30E

The code 40e is not a fault, but simply the identification code indicating your boiler is a Potterton Profile 30E model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

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.

What the manual says

Manufacturer manual

Model designation

From this model's manual
Verified against the Potterton Profile 30e installation & service manual, page 7.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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