Medium
E50 on Potterton Gold Combi ErP

Your boiler is having trouble measuring the temperature of your hot water, which means your taps and showers may not get warm.

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

Hot Water NTC Fault

From this model's manual
Verified against the Potterton Gold Combi Erp installation & service manual, page 48.
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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