BoilerFaultCodesWhat the manual says
Manufacturer manualEnsure gas is on and purged. Check PCB - M4 connector is approx 70-140V DC, terminals 23 & 24. If NO, replace PCB. If YES, replace gas valve.
From this model's manual
Verified against the Potterton/Potterton Performa 24i He installation & service manual.
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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All 44 fault codes on the Performa 24
Seeing a different code? Every code this model can display, in one place.
101112131415232425262728293030° neon flashing30°C neon flashing313240° neon flashing40°C neon flashing50° neon flashing50°C neon flashing60° neon flashing60°C neon flashing70° neon flashing70°C neon flashing80° neon flashing80°C neon flashingBurner Neon (Flashing)Burner OnFlame FailureNeon flashing (Generic)neon illuminatedNo neon illuminatedPower Neon (Flashing)Power OnPreheat control neon flashingPressure of 3 or greaterRed reset neon (lit)ResetReset Neon (Flashing)Safety thermostat activatedTemperature Control