High
On Flash Flash on Potterton Promax 15/2 HE Plus

Your boiler has detected that it is running without enough water inside, which means it cannot safely heat your home and has shut itself down to prevent damage.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Dry-Fire - go to Dry-Fire section of the fault finding instructions.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Find a Gas Safe engineer
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Related fault codes

E119View →

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