Low
P x.x on Atag A200

Your boiler is displaying its current water pressure; if it stays on this screen, the pressure may be too high or too low for the system to run.

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

Water pressure in bar.

DIY fix possible

Locate the filling loop (the silver braided hose) underneath the boiler.Slowly open the valves until the pressure reading on the screen reaches between 1.2 and 1.5 bar.Close the valves completely and ensure the display no longer flashes.

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Related fault codes

C110View →C118View →C154View →

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