What the manual says
Manufacturer manualProgramming mode entry code
Shared across the Dina range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
DIY fix possible
Check if any buttons on the control panel are stuck or being pressed down.Turn the selector dial to the 'Off/Reset' position for 30 seconds.Turn the dial back to the 'Winter' or 'Summer' setting to exit the menu.
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All 22 fault codes on the Dina
Seeing a different code? Every code this model can display, in one place.