Rangemaster main selector switch not responding

[manwithaplan]

Hi, my customer has a Rangemaster 7978 110cm.
When I turn the main selector switch for the bottom left fan oven, nothing is working. The orange light does not come on. And therfore the thermostat switch doesn’t respond either.

Is this likely to be a faulty main selector switch?
I’ve changed many of these on Britannia’s over the years, but not on a Rangemaster.

TIA.

[electrofix]

it possible but you have 2 thermal cutouts in circuit and the clock as well

Dave

[Author]

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