Rank Arena Air Fryer with LCD Display

I bought one of these at Christmas for my son to cook sweet chilli chicken strips instead of frying with a heap of oil in the fry pan and making a mess all over my stove. I think it is quick and easy to use any precooked frozen foods that are normally...

I purchased rank arena air fryer from deals direct about a month ago. It didn't work so a friend came over and she showed me. It worked but would only cook two lots then stopped. I tried it again today and it wouldn't work. Souls heat but no air sound...