How to switch off lock out light?

Worcester Heatslave combi oil boiler The lock out light is on, I cannot find the switch to put it off . I ran out of oil, so this may have added to the problem. Have oil now but boiler not working.
J Couper, March 2018


done
https://www.youtube.com/watch?v=bd1GEVUMrCs

https://www.worcester-bosch.co.uk/support/literature/download/8716101859

https://www.youtube.com/watch?v=qCiM-5lJVmw

https://www.youtube.com/watch?v=jQX0vv9-JkI

http://www.boilerguide.co.uk/forum/worcester-boilers/worcester-heatslave-12-14-oil-combi-locking-out-after-4-1-2-mins-383/

dxsvdsasa, March 2018
link Click here to see other fixes for Worcester.