High
Red Neon on Potterton Ultra 2 30 DV

Your boiler has stopped working for safety reasons and needs to be manually restarted to begin its ignition sequence again.

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

The red neon will light if the boiler has locked out. If the boiler does lock out a re-set button is located under the front of the boiler at the right hand side.

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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