What the manual says
Manufacturer manualResettable error
Shared across the Assure 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
Locate the reset button on the front control panel.Press and hold the reset button for approximately 3 seconds.Wait a few minutes to see if the boiler restarts and the fault code disappears.
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Related fault codes
All 35 fault codes on the Assure
Seeing a different code? Every code this model can display, in one place.