Low
P.00 on Vaillant Combi Compact 242EB

Your boiler is currently running an automatic program to clear air bubbles out of the heating and hot water 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.

Technical description

The heating circuit and hot water circuit are purged

DIY fix possible

Wait approximately 6 to 10 minutes for the program to finish automaticallyEnsure your radiator valves are open to allow air to move through the systemCheck the pressure gauge and top up to 1.5 bar if it has dropped after the air was removed

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Related fault codes

P.01View →P.06View →F.22View →

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