Low
P.02 on Vaillant Atmomax

Your boiler is currently running a special test mode at its lowest power setting to check for performance or stability.

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

Minimum load test program

DIY fix possible

Wait approximately 15 minutes for the test program to finish automaticallyTurn the boiler off and back on again if you wish to cancel the testPress the 'i' button or the 'Back' button to return to the standard display

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