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Thanks for your response tubafan, good to know of your experience.
The more I read about my issue,!I’m confident it’s the oven stat, which affixes to the rear of the knob assembly, as I’m still able to rotate the knob and turn the circulation fan on and off and the operation of the knob/switch feels good, also in normal operation, the oven element wouldn’t glow orange within 60 seconds
I’ve not took the oven apart yet to look into it further and the hob, grill and top oven are all still working, not even missed the use of main oven.Thanks again Dave, especially your understanding and explanations.
My elderly Dad, who has recently passed away; he had a habit of unplugging all electrical appliances at bedtime when I was a child, before wall outlets had switches and even before we owned a fridge; it’s surprising how he brought up a family of 3, before I came along, using a larder to chill food.
He continued to unplug appliances at night throughout his life, which caused many a dispute when I was a teenager, although he knew not to unplug the fridge and I was adamant; that nowadays, it just wasn’t necessary to unplug everything.
Although since this issue with my oven, I have a different perspective now.Dave, thanks for your response.
I understand that mechanical and electrical items are all at risk of failure but this has surprised me.
I would have expected a physical mechanical operation of the thermostat, so when if fails, it does so whilst in operation and the circuit is disconnected from the mains once switched off, same too should a fault occur at the switch.
On this occasion, although I used the hob I’d not actually used the over since the previous evening.Although I appreciate your reassurances, I’d hate the oven to have come by itself whilst I was sleeping or away for the weekend; it doesn’t bear thinking about it.
From now on, my cooker is switched off at the wall when not in use.
Surprised… from my experience, I assume it’s rare, as I’ve used my current electric cooker/oven for close to 20 yrs and without issue till current and I’ve had electric cooker/ovens in the past and such an issue has never occurred.
My main concern is the risk of fire. should the oven come on by itself for extended periods whilst unattended.Thanks, I’ll check that.
I kinda knew it was a faulty switch, thermostat or both,
I was more surprised that a fault which would turn the oven on was actually possible, although I’ve had this cooker for years and without issues, it’s a little worrying.Yeah, the Cooker is old but not 40 years, it probably close to 20 years old but it’s in excellent condition, so I would prefer to attempt to repair it first, especially as the ceramic hob, grill and Top Oven all work.
I don’t think it’s the shaft rotating as the Main Oven has a circulation fan and currently, the fan remains off until the Oven on/off knob is rotated to the on position and will turn off when the knob is rotated to the off position.
Also, the flat of the shaft corresponds with the knob and it’s markings.
The fact that the element glows orange within minutes suggests the element is still operating and when I turn the Oven knob to the on position, the circulation fan comes on and it switches off when the knob is in the off position.
The Top Oven, will operate without the need to set the cookers clock and appears to be operating correctly and although the Top Oven isn’t fan assisted, a cooling fan eventually comes on and a continues to run for maybe 5 mins after the Top Oven has been turned off.
I don’t think the Main Ovens element should glow orange like it is, maybe it’s totally normal operation and I’ve just never noticed. I only noticed it on this occasion when I turned off the kitchen light.
I would assume the Top Oven on/off knob and Thermostat will be the same as the Main Oven, so maybe I could swap the Top Oven on/off Knob and thermostat (if its capillary tube is long enough) to help identify the fault
I would expect the Top and Main Oven on/off control unit and thermostat to be identical to each other ?
Dave, thanks for your prompt response, I’m aware it’s an oven and designed to get hot but a fault that can turn on an unattended oven is of concern.
Normally I’m out all day till early evening and on occasions, I would think nothing of maybe staying at a relatives house or elsewhere and without giving my oven a second thought.
Also, since I became aware of this issue, I’ve noticed the elements of the over glows bright orange when it’s on,!with the knob in the off position, this is the element with the circulation fan in the middle and it’s behind a panel at the back of the oven, which I can see the glowing elements through the vents.
In all the years I’ve owned and used electric cookers/ovens, I’ve never turned them off at the wall switch, on the off chance the oven will come oven on by its self.
