Ask Jonny he ie the Amery expert
Water flow on max
Summer setting
Slightly tweaked up on the other dial -temp one .
Duracell batteries
Gas on
Switch on
Make sure your shurflow is good , my varistream on 65 to 77 for it to ignite ok .
Make sure you have 6mm thermobore , I had 8mm and it wouldn't work .
Gardiners sell the orange thermobore 6 mm about £70
Apart from that it should work