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Fan oven cooling fan stays on after cooling period

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Re: fan oven - AEG B3101-4 Electric Single Oven Ovens

Bad sensor in the oven

Posted on Dec 22, 2007

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The cooling fan does not switch off after oven has cooled

function button or switch could be faulty

maybe that brand of fan forced oven
uses a thermostatic switch to that fan

Jul 03, 2016 | Ovens

1 Answer

Oven fan stays on

some ovens have a cooling fan that is controlled by a temp sensor, this will keep the fan running until the area where the sensor is cools. probably normal if it turns off after a while.

Jan 31, 2012 | Ovens

1 Answer

Have a stoves 720 es main oven fan does not stay on to cool oven after switch off> also the oven will not trun back on when it is still hot or warm ? will

First things first. There are two fans. One in the bottom oven and one to provide background cooling. The background cooling fan turns on when anything is turned on. (Fan oven/top oven/grill). Just operate the top oven for a moment and this should cause the cooling fan to operate. There is a printed circuit board that controls the cooling fan and for how long the fan should stay on once everything has been turned off. (About 7 mins). If this fan is not running then the fan/motor could be faulty, or the circuit board or the resistor on the fan terminal block. The reason the oven will not turn back on is that the residual heat in the oven unit as a whole against the fan oven, is probably too high which causes the overheat device to operate.
You will have to take the oven out of the kitchen carcass, take the top and rear panels off and get an electrician to test and found out which item is not working/failed. Try espares for parts.

Jan 24, 2011 | Stoves 720EF Electric Double Oven

1 Answer

Fan staying on


Yes, this is normal. The fan stays on for a period of time to help cool the oven.

But if it stay too long then it means that there has been a problem on the wiring programming connected to the fan

thank you and thanks for using fixya.

Sep 29, 2010 | Whirlpool RBS275PD Electric Single Oven

1 Answer

How do i turn the fan off.

If you mean the oven fan that will turn off on control switch.I think you may be talking about the cooling fan.This is to cool the electrical panel on the top front of cooker. It comes on after the oven heats up and may stay running for 15 or 20 minutes after cooker is turned off it will turn off after the unit has cooled down sufficiently for the controller.
Hope I helped.

Good Luck.

May 07, 2010 | Electrolux EOB6636X Ultrafan Electric...

1 Answer

Fan noise

It is a cooling fan, and, yes it can be replaced.
Please rate my solution.

Nov 22, 2009 | GE Ovens

1 Answer

I have a Competence B1180, it cuts out after irregular periods of time, although sometimes it may even complete a cooking cycle, if turned off for 10-15min it will re-start, but invariably cuts out again...

Could be caused by either of following;

1. Faulty thermostat.
2. Faulty thermal cut out switch. (controls power to cooling fan).
3. Faulty cooling fan (not fan inside oven).

Test thermostat by setting thermostat to low temperature like 60 oC. If oven gets much hotter then its a faulty thermostat.
To test cooling fan and thermal switch take oven out and remove top or rear panels to expose components.
When oven gets hot the cooling fan should turn on. If it doesn't then check to see if there is a mains voltage present.
If mains current exist but fan is not turnig then replace fan. If mains voltage is not present then its the thermal switch.

Mar 01, 2009 | AEG B1180-4 Electric Single Oven

1 Answer

Creda colonial oven

If it is the external fan that is staying on as opposed to the oven fan then it is probably a faulty thermostat that controls the cooling fan.

Dec 04, 2008 | Zanussi ZHQ575 Electric Double Oven

2 Answers

Bosch HBN 455 Oven Cooling-Fan Issue

After the oven is switched off, the after-run of the cooling fan is controlled by an electromechanical thermostat switch. The fan can switch back on, due to residual oven heat that accumulates within the oven's outer case and reactivates the cooling fan temperature switch. Considering yours is making buzzing sounds and activates on and off, the fan's thermal switch may have dirty contacts or just be defective and require replacement.

Sep 12, 2007 | Bosch HBN 455 Stainless Steel Electric...

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