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  • Writer's pictureJeff Culkin

Worcester Greenstar Cdi SE or D5 fault Code


This is not a fault code. Hense why you cannot find it in the service and installation book. This is a special feature of some Worcester CDi boilers .It is actually a reminder that the boiler requires a service based on burner hours.

To reset the code follow this steps;

  • Press and hold Spanner button until it becomes orange

  • Press and hold Eco button until 5A displays

  • CS press and release Eco button

  • press and release CS

  • Hold Until brackets appear then release

  • then press spanner button

Check if the burner requires cleaning by following the test producer using a mano-meter on the internal test point as outlined in the service and installations manual.

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