High
84 on Ideal Response SE

Your boiler has detected that it is receiving electricity but is failing to deliver the gas pressure required to ignite the flame, meaning you have no heating or hot water.

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

Power to PCB 37 but burner pressure incorrect or zero

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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