While you wait for answers, we may have found some information which could help you.
Success
Message
Retrieving object behind Rangemaster cooker?
Restarting after power cut?
Gas oven does reach working setting?
Re setting clock on Rangemaster 110 gas cooker?
Rangemaster110?
Convert lpg to electric Rangemaster cooker?
timer?
Ignition Fault?
Bottom oven won't stay on unless you keep holding on to button ?
Bypass timer?
where can i get a hotplate for my rangemaster 55?
How to keep a rangemaster 110 gas top from not letting me do?