When the ‘SE’ code comes up on the display, it is just a reminder that the boiler needs servicing.
["New Guide: Boiler Error Codes - Worcester Bosch Greenstar 38CDi Classic - \u2018SE\u2019 code on the disp http:\/\/bit.ly\/1oQPj0K #letsfixit"]
https://letsfixit.co.uk/78324/boiler-error-codes-worcester-bosch-greenstar-38cdi-classic-se-code-on-the-display/?utm_campaign=twitter&utm_medium=twitter&utm_source=twitter