Sounds like the cooling fan bearings are worn, hence the noise after you turn the cooker off.This fan is in the top of the oven and helps to keep the inside cooker electrics cool and often keeps going for a while after you have turned the cooker off. Best to call an engineer to check this out for you!
SOURCE: noise from fan when electric oven is first turned on
The fans are not normally repairable, but there is no problem obtaining replacements.
On a double oven, there are usually 2 fans fitted.
There is an external cooling fan usually fitted on the top of the oven, you would have to remove the top cover of oven to access it, and possibly the rear panel as well.
Then there is the fan fitted in the main oven compartment.
If you open the oven door as it is working, you should be able to determine if it is the fan oven or the external cooling fan that is the cause of the problem.
If you determine it is the fan in the oven that is noisy, then to undo the fan blade assy, you have unscrew the nut clockwise to remove it. as opposed to the normal way of undoing a nut.
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Thanks.
SOURCE: Microwave will turn on but not heat
Test the high voltage capacitor,
the rectifier diode.or the magnetron.
If it additionally does not spin and no light, then check also the door switch.
The diode and capacitors can br tested. The capacitor must be allowed
discharge before testing, or you risk to get electrocuted, even if
power is off. Capacitors can get discharged by shorting their two
contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.
All locations, and description of this parts can be located using the diagram here: Counter top.
Parts must be tested to find out what is wrong.
Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.
Regarding parts, contact the seller here to purchase parts. (here in UK).
SOURCE: Neff U1721 bottom oven not heating fan & light are ok
Yes it will need a new element, if the fan runs and temperature light comes on then the element is gone.
SOURCE: Diplomat Double oven bottom oven fan works but
Hi,
If your electric
oven is not heating then you probably have a bad heating element in your oven. This is not that hard to fix yourself...
Check out this tip that I wrote about the Oven not heating problem..
Oven Problems Electric Oven is Heating Slowly or Poorly
http://www.fixya.com/support/r4511800-oven_problems_electric_oven_heating
heatman101
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