We may have found other answers which could help you.
Click here for Bypass Faulty WorkingBottom oven won't stay on unless you keep holding on to button ?
Rangemaster Kitchener 90 dual fuel ovens have stopped working?
Gas oven does reach working setting?
Convert lpg to electric Rangemaster cooker?
Re setting clock on Rangemaster 110 gas cooker?
where can i get a hotplate for my rangemaster 55?