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Breadsnapper.
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April 23, 2016 at 4:29 pm #88184
Breadsnapper
ParticipantThe cooling fan on my Smeg suk61mfx doesn’t switch off. As soon ss power goes to the cooker the fan starts. Fan is new so I wouldn’t have thought it was that. Is there a sensor somewhere?
Cheers.April 23, 2016 at 5:15 pm #437282kwatt
KeymasterRe: Tangential Fan
Yes, there is a fan initiation thermostat that kicks it on when the temperature rises far enough and cuts it when it cools down enough.
Looks like a small button stat, there’s two on the back one being that and the other a thermal protection one.
K.
April 23, 2016 at 5:48 pm #437283Breadsnapper
ParticipantRe: Tangential Fan
So a faulty stat will cause the fan to continua run? Are the polar specific by chance?
April 23, 2016 at 6:05 pm #437284kwatt
KeymasterRe: Tangential Fan
Possibly but more likely not to engage it.
Usually if that happens it’s something to do with the switch.
K.
April 24, 2016 at 3:39 pm #437285Breadsnapper
ParticipantRe: Tangential Fan
Ok this is becoming a pain. So far I have fitted a new tangential fan. When the cooker is switched on at the mains the fan starts. No matter how long I leave it the thing continues to run. The fan control sensor which is located with 2 screws on the back of some ducting. If I disconnect to 2 blue wires connected to it then the fan doesn’t run. I have also discovered that the round fan oven element is not working. I have ordered a new element and fan sensor. Would I need to replace the other thermostat sensor too or is that just for oven temp?
April 24, 2016 at 5:54 pm #437286kwatt
KeymasterRe: Tangential Fan
It sounds to me as if you’re playing a game we call “Parts Bingo”.
Blindly replacing parts is not a good idea at all and, as I’m sure you’ve found, can prove costly.
The fan is getting a constant feed due to some sort of wiring error or a a faulty switch and that is very possibly the issue with the fan element not powering up, which I am thinking you’ve not tested. So it is all too possible that the parts you’ve ordered will most probably not cure the problem that you have and are almost certainly not required.
Per the other thread, as I don’t have a clue what switch you’ve been supplied, if it’s correct or what version, there’s not way for me to tell you much more I’m afraid.
K.
April 24, 2016 at 10:50 pm #437287Breadsnapper
ParticipantRe: Tangential Fan
The fan was replaced as it wasn’t working because the plastic housing for the spade connector had broken which in turn had broken the wire on the coil and wasn’t fixable. The element is being replaced as when I took it out to inspect it there was a split in it.
It seems that some sensor or other thinks the oven is hot even when it is cold.April 25, 2016 at 8:22 am #437288PaulG
ParticipantRe: Tangential Fan
Just a tip regarding the copper coil wire breaking. If it’s broken at the spade, you can unwind the wire by one loop, scrape off the insulation at the end of the wire, then solder it back on the spade.
April 25, 2016 at 9:22 am #437289kwatt
KeymasterRe: Tangential Fan
The “sensor” is the fan initiation stat I told you about.
It closes when the oven heats up, brings the fan on. Opens when it cools off, shuts the fan off. That’s it.
K.
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