My wife cleaned the cooker 2 days ago inc the main fan oven (in which she used a foam spray oven cleaner, Mr Muscle, on the roof). She was using the gas rings before lunch yesterday when the main 100ma RCD mains switch tripped (and would not turn on again). It tripped about 15 minutes after igniting the rings.
I turned off the cooker switch in the fuse box and could then turn on the mains switch (without tripping). I turned off the supply unit switch on the wall by the cooker and could then turn on the cooker switch in the fuse box without tripping. So there must have been an earth leakage or short either between the supply unit and the cooker or in the cooker itself.
We left the main oven door open last night in the vain hope that the cooker might recover, and this morning were amazed when we could turn on both switches without any mains tripping! The cooker now works fine again. However, we are still a bit nervous that the problem may occur again and that it was not connected with the cleaning process.
Thanks kbrownie. I think it must have been moisture, but if in the cooker it doesn't say much for it being 'fit for purpose'! Anyway it's working ok now, so let's hope that it was a bit of moisture in the power supply switch on the wall.
Farmer 1. I'm no electrician but try turning the cooker off with the power supply switch. If it doesn't trip the rcd then it could be a fault in the oven switch which you could replace if you have the skill. I think you can get most spares via the internet quite easily.
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