High
Overheat condition on Potterton Puma 80/100

Your boiler has switched itself off because it has detected an unsafe rise in temperature and needs a manual reset to start working 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 LED will go to flashing Red. Requires manual re-setting at the overheat thermostat.

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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