hello Simon this is the error code check the listed items from this error code.
== F08 ==
==== Open circuit error detected on heating circuit ====
The main control unit in the washing machine has detected that there is an open circuit somewhere in the heating circuit.
The main control unit will detect this error at the start of a program and during the spin phase.
* Check wash heating element for continuity
* Check the wash heater for earth leakage
* Check wiring to the heater
* Check the control unit