What the manual says
Manufacturer manualLast predecessing error
From this model's manual
Verified against the Atag/Atag Q 30cr 4131010 installation & service manual.
DIY fix possible
Note down any other codes or symptoms your boiler is showingReset the boiler using the control panel to see if the error clearsMonitor the boiler to check if it continues to run normally
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All 29 fault codes on the Q 30CR
Seeing a different code? Every code this model can display, in one place.