Question about Neff U1721 Double circotherm Electric Oven

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Main oven tripping the fuse

I have had a Neff double circotherm for 8 years, in the part 2 months when the main oven is it had started to trip the main fuse, not all the time. i have had the back off and cleaned around the fan etc but this has made no difference.

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  • Anonymous Mar 13, 2014

    Kensington double oven model. Seems to be ok at about 160/180 but any hotter and it will trip out

  • Anonymous Mar 30, 2014

    oven made popping sound and tripped main fuse board. switched fuse back on but no power to oven

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  • Master
  • 1,462 Answers

Probable fault to earth of circular element - gets worse when element hot. you will need a megga to confirm this.

Posted on Jul 06, 2008

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apart4u
  • 213 Answers

SOURCE: neff circotherm doudle oven main oven fan working

For all Free appliance repair videos visit our VIDEOTUTORIALS1, If the fan motor in the back of the oven is going round and thetemperature light is on (normally little red light), but there is no heat thenyou will probably need a new oven element, these are generally very easy to fitand readily available from our website these can be tested with a electricmeter.
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. Some elementswill are fixed from inside the oven and some are held in place by nuts from therear 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 then youneed 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.



Posted on Jan 12, 2010

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1 Answer

Our Neff U1421 double oven has a problem with tripping the main fuse when the main oven reaches 180 degrees. The oven is in manual mode not using the clock timer, can you throw any light on the proble


yes i know exactly whats wrong, one of your high accuracy temp sensors will have gone.
these tell the thermo what the sides & top of the oven temp is.
unscrew the oven from the base unit & pull it out, take the top off & you'll see them little round cylinder looking things with 2 wires coming off them(see link for pic) there screwed to the shell. the one that will have gone will no doubt have burn wires, or connections.
their sometimes called temp switch sensors
http://www.bi-metal-thermostat.com/photo/pl1619154-ip00_ceramic_bi_metal_thermostat_temperature_controller_for_micro_wave_oven.jpg

Sep 29, 2014 | Neff U1421 Double circotherm Electric Oven

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you need to check size of breaker the oven is wired too if this is to small it will trip also cable size

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your heater elerment has gone in the main oven i had the same problem if you need help takeing it out and see if its the problem get back to me ok

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Power tripping off at mains when switching oven on


It will probably be the main oven element that has failed.
This is located at the rear of the inner oven compartment behind a removeable cover.

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Your oven should be connecting individually to its own fuse in the fuse board.

Jan 03, 2010 | Neff U1721 Double circotherm Electric Oven

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No heat in main oven, fan is working ok as is top oven. main oven was working ok then power was lost due to circuit breaker tripping??


You need to replace the oven element.
This is located at the rear of the oven compartment, behind a removeable cover.

Dec 20, 2009 | Neff U1721 Double circotherm Electric Oven

1 Answer

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I have a u1421 with the same problem! I notice the fan doesnt run too well, sometimes it doesnt run at all, needs a prod to get it running. I suspect with no fan, that the element gets far too hot, and then starts to leak to earth, tripping the RCD. I'm gonna try buying a new fan motor - you should ckeck if your fan is running full speed OK.

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Hi

sounds like you have a faulty new element. sometimes depending how long you supplier has had the element they get damp and when they get hot they go down to earth. if i was you i would take it back and get another one and try that. hope this helps you .

regards dan

Mar 19, 2009 | Neff U1452 Double circotherm plus Electric...

2 Answers

Neff U1421 main oven trips the circuit breaker.


It might be that the breaker is overloaded and it's no longer supporting the load of all the appliances together.If you do not want to change your breaker you can still use your oven by switching off other appliances that is running while you are using the oven

Feb 04, 2009 | Neff U1421 Double circotherm Electric Oven

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