What the manual says
Manufacturer manualReset button pressed by mistake.
Shared across the Greenstar 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
Wait for 5 minutes to let the boiler system settle down.Do not touch the reset button again while it is waiting.The boiler should clear the code automatically and return to normal operation.
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Related fault codes
All 12 fault codes on the Greenstar CDi Classic (2012)
Seeing a different code? Every code this model can display, in one place.