Low
000 on Baxi 624 Combi

Your boiler is simply performing its standard startup process and checking its internal systems.

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

Initial state on power up

From this model's manual
Verified against the Baxi 624 Combi installation & service manual, page 48.
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 a few moments for the boiler to complete its self-testIf the boiler remains on this screen for more than 5 minutes, turn the power off at the fused spurWait 30 seconds and switch the power back on to restart the cycle

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