Question about Neff B1641 Single circotherm super Electric Oven

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Problems with the fan on neff b1641 oven

The fan sounds like its working on the circotherm but is not getting up to temperature just warm, if i use the circo-roasting the fan can not be heard at all. Any ideas please.

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  • mark_lau Feb 20, 2009

    Hi thankyou very much for the solution much appreciated. Fitted new element today, works like a dream..........Thanx

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Nefffan oven element video.1, If the fan motor . in theback of the oven is going round and the temperature light is on (normallylittle red light), but there is no heat then you will probably need a new ovenelement, these are generally very easy to fit and readily available from ourwebsite these can be tested with a electric meter.
To gain access to the NEFF element .you willhave to remove the back plate from inside the oven. Once removed you will seethe fan and element,. if youlook closely at the element .you willprobably see a small hole burnt in it where it has blown. Sometimes howeverthere is no evidence of a fault but the element is open circuit ie:broken inside the element casing, either way it will need replacing. Someelements will are fixed from inside the oven and some are held in place by nutsfrom the rear of the machine.
2, If your NEFF fanoven is getting warm but takes a very long time to cook or is burning the foodmore on one side than the other, then you need to check if your oven fan motor is working you willsee the blade turning fast if it is ok. if the element is heating but the fan motor is not blowing the heat into the oven thenyou need To replace the oven fan motor is a little moreexpensive and a bit more involved.
3. If you have the opposite problem ie: your oven is over heatingand burning everything then you will need to replace your NEFF oven thermostat
4, A quite common and easily overlooked answer is if your NEFF oven is not working at all ie: noheat and no fan then the chances are that someone has put the oven timer into AUTO mode,simply put oven back to MANUAL mode and all should be working again.


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Posted on Jan 12, 2010

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Hi, from what you describing it can only be either the oven element (located behind the back plate inside the oven, hold by 6 screws, 2 at the top, 2 at the bottom and 2 on the sides). Switch off the cooker, remove this panel and have a look at the element, looking for unsual bends, corrosion, or burn marks. The other possibility is the safety stat located near the element connections at the back of the oven. Pull the oven out, remove the back chassis panel and inspect the stat.
Cheers

Posted on Feb 19, 2009

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Posted on Jan 02, 2017

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Common heating faults with Neff B1641 Single electric oven


For all Free appliance repair videos visit our VIDEO TUTORIALS 1, If the Neff fan motor in the back of the oven is going round and the temperature light is on (normally little red light), but there is no heat then you will probably need a new oven element, these are generally very easy to fit and readily available from our website these can be tested with a electric meter.
To gain access to the NEFF element you will have to remove the back plate from inside the oven. Once removed you will see the fan and element, if you look closely at the element you will probably see a small hole burnt in it where it has blown. Sometimes however there is no evidence of a fault but the element is open circuit ie: broken inside the element casing, either way it will need replacing. Some elements will are fixed from inside the oven and some are held in place by nuts from the rear of the machine.
2, If your NEFF fan oven is getting warm but takes a very long time to cook or is burning the food more on one side than the other, then you need to check if your oven fan motor is working you will see the blade turning fast if it is ok. if the element is heating but the fan motor is not blowing the heat into the oven then you need To replace the oven fan motor is a little more expensive and a bit more involved.
3. If you have the opposite problem ie: your oven is over heating and burning everything then you will need to replace your NEFF oven thermostat
4, A quite common and easily overlooked answer is if your NEFF oven is not working at all ie: no heat and no fan then the chances are that someone has put the oven timer into AUTO mode, simply put oven back to MANUAL mode and all should be working again.

on Jan 19, 2010 | Neff B1641 Single circotherm super...

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096825 is the part number for circo fan grease hardened in the motor bearing is making it stiff the motor has little torque to overcome resistance the grease melts at high temps allowing motor to turn. time for a replacement comes as complete unit with new blade.

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Isolate mains.Remove oven cavity back panel (4/6 phillips or 4/6 Torx 20 screws)Remove fan blade (reverse thread nut)....this is sometimes where you come unstuck, because the blade just won't budge.If that happens I normally then remove the back panel of the unit itself (doesn't need to come all the way off, I will usually leave the mains connections on and let it fall back as far as it will go safely...may have to loosen the cable clamp to get some slack on the mains)You will now see the other side if the fan motor.Remove the L and N (not pole sensitive so they can go on the new one either way).Remove the 3 Torx20 screws holding the fan in position. (some models have an extra spacer ring so be careful you don't lose them)Go back to the cavity and use something to give the motor shaft a whack to release the fan blade, bearing in mind that if it does budge the motor itself is going to fall out the back (stick an old towel etc to cushion the fall and protect the terminal block etc).The new fan usually comes with the blade attached, separate the parts, install the motor, attached electrical connection and then the fan blade, make sure its tight. At this point I would close up the back and just hold in place with one screw and test that the fan works. (don't forget that the oven will not operate when the clock is flashing, so set any time on the clock before selecting circotherm)If everything looks ok, get it back together and in housing and run upto 150 or 200 degrees as a last test.Good luck, let me know how you get on or if you need any further clarification. Please post the outcome as this will assist other users of the site looking for solutions to similar problems.All the Best.

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Our fan oven will not warm up. Fan working but oven will not get hot.




Hi,


If your electric oven is taking too long to heat or just not heating up right, then check out this tip that will give more detail about your problem.

Oven Problems Electric Oven is Heating Slowly or Poorly

heatman101


Jan 16, 2011 | Neff U1421 Double circotherm Electric Oven

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If the fan is working o/k then it is probably the element that has failed.
This is to be found at the rear of the oven compartment behind a removeable cover.
Please rate my solution.
Thankyou.

Jan 30, 2010 | Neff B1641 Single circotherm super...

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