My daughter has moved into a house where there is an existing Rangemaster 110 Gas cooker/oven. The bottom left oven lights but stays on a low setting and the flames don't get any bigger. After doing some searching I found it's likely to be a blown FSD or one that isn't sitting in the right place. Before she calls an engineer out can some one tell me from the picture whether the sensor on the left should be higher in the clip as highlighted in red or does it look like its seated correctly?