Medium
D2 on Potterton Gold Heat ErP

Your boiler is displaying a warning because it has detected an issue related to external plumbing, such as a blocked or leaking condensate pipe located outside your home.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Below gutters, soil pipes or drain pipes.

From this model's manual
Verified against the Potterton Gold Heat Erp installation & service manual, page 20.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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