Ravenheat CSI 85 Red Light?

I have a Ravenheat CSI 85 AAA (t) 780 Series boiler. The red light (overheat/flame failure) is on and the boiler does not function in anyway. The fan does not run.

Switching off and on again does not rest the light.

Does anyone know what the cause may be?
Starfish, July 2017


done
Has it overheated?

Asbestos, August 2017
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