Question about Neff H5642 Convection / Microwave Oven
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Posted on Jan 02, 2017
SOURCE: Neff combi blown diode.
If the diode failed by opening, there may be no other damage. If the dioded failed by shorting, the alternating current may have damaged other components. Ohm it out. You can get diodes from digikey.com, mouser.com, or radio shack or any electronics or appliance supply. If the diode is charred and you can't get the part number, the oven rating can be used to select a replacement. Since the fuse was 10 amps, the diode should also handle at least 10 amps. If you can power the unit and read the voltage at the diode input this will give you the power (volts times amps). It's always worth trying as it's cheaper than replacing the unit.
Posted on Nov 30, 2007
SOURCE: neff h7871
If it went dead almost immediately after pressing the Start pad, that\'s usually a shorted high-voltage capacitor.
If it went dead a few seconds after pressing the Start pad, that\'s usually a failing high-voltage transformer.
Here are some links you or someone you know can use for test help, but read their safety warnings first:
We\'re happy to help and we appreciate your thoughtful rating of our answer.
Posted on Jul 06, 2008
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Mar 21, 2013 | Neff Microwave Ovens
Feb 18, 2012 | Neff H5642 Convection / Microwave Oven
Replacement of the
lamp should be carried out by a qualified appliance repair service.
SAFETY IS PARAMOUNT!
this only if you are competent.
But here is a basic method if you are
mechanically minded and have electrical safety knowledge.
The lamp is sat in a housing and its
position is adjacent to the vent holes that it shines through.
If you feel confident, disconnect it from the mains power, remove anything in the cavity.
Remove the microwave cover. Purchasing a new replacement lamp will be useful as it will give you an idea of what it looks like. Locate the dead lamp remove the lamp and fit the new one. Replace the covers. Plug it back in and try the lamp by opening the door.
Hope this helps.
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