Sky box not working no lights

[Hannah07]

Sky Q box not working, showing no lights on the front. Have switched off at mains and then back on and it works for around 10 minutes then shuts off with no lights. Been happening for over 24 hours now. 

[Chodley]

Likely same as this thread

https://helpforum.sky.com/t5/Sky-Q/Sky-q-box-died-no-power/td-p/4412074