Low
29 on Potterton Performa 24

Your boiler is simply performing a routine system check while it starts up, which is a normal part of the power-on sequence.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Power On

From this model's manual
Verified against the Potterton/Potterton Performa 24 installation & service manual, page 6.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Wait for the boiler to complete its self-test sequenceIf the code persists for more than 10 minutes, try turning the boiler off at the fused spurWait 30 seconds and switch the power back on to see if it clears

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Related fault codes

28View →30View →

All 44 fault codes on the Performa 24

Seeing a different code? Every code this model can display, in one place.

1011121314152324252627283030° 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 OnBurner on neon NOT illuminatedFlame 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

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