Question about Bosch Appliances 27 in. Wall Oven Electric Single

1 Answer

Hey. I have a problem with a bosch oven with model number HBN78R750S/06. The oven won't heat and has no fan function, but when I short circuit the terminals to the door contact, everything works. I had measured no electric pass-through with multimeter in the contact. But the resistance measured was 1500 ohm in the contact. I wonder if the oven would work with no security hassards, with short circuited wires to the door contact or should I buy a new contact. The bosch spare part number for this door contact is by the way: 600370. Looking foreward to hear from

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  • jesper kjølbye Aug 27, 2010

    I forgot to say the oven is brand new and hasn't been operating yet. Bosch service site call it a door contact, but it is situated at top left corner just behind the door looking like a termo sensor. Igive you a picture of the component attached.


  • jesper kjølbye Aug 27, 2010

    I have a picture of the component attached. I forgot to say that the oven is brand new. It hasn't been taking into use yet. The component is situated at the top left corner behind the door. Maybe the damaged component is called something else, has just been looking at bosch home site.

  • jesper kjølbye Aug 27, 2010

    I'm glad for the answer, needed the information to determine whether to buy a new component.
    Thank you very much,
    Jesper

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  • Bosch Master
  • 17,130 Answers

You can clean the contacts to establish the perfect continuity so that the security is not crossed over.
If you can note the wire points . by colour codes and remove the contacts. Use WD40 to clean well and make sure that it is clicking with no dirt in between. once it is washed free check the continuity for total contact.if not repeat the process , use a low grade emery paper to clean.
Now fix back the contacts on to the door and shut to measure the resistance. If it reads closer to zero you can connect the wires and test.
I dont think you will need to buy a new contact as mot often accumulation of dirt in the contacts can cause this issue.
Hope my tip helps.

Posted on Aug 27, 2010

  • 1 more comment 
  • Donald DCruz
    Donald DCruz Aug 27, 2010

    Ok, sorry for that , I think it is a proximity switch/ non contact type .

    In this case you will need to replace. Will you get the warranty applicable to this part.?

  • jesper kjølbye Aug 27, 2010

    No unfortunately, I bought it from a person with missing warranty papers and billing information.

  • Donald DCruz
    Donald DCruz Aug 27, 2010

    Next time neverr buy a product without a warranty as the life spans designed by many OEM's are now getting shorter to increase theri sales or the parts are controlled by them.

    that's my opinion.

    Regards

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Bosch oven


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