High
Dry-fire Lockout on Potterton Suprima HE

Your boiler has sensed that water isn't circulating properly and has shut itself down to prevent overheating.

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

Failure caused by lack of water in system, pump not running, or faulty flow switch/thermistor.

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.

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