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George-Allsorts
George-Allsorts, Senior Appliance Technicial Manager
Category: Appliance
Satisfied Customers: 1448
Experience:  A whitegoods technician with 30+ years service in Domestic Appliance Service & Repair, and General Mechanical & Electrical Repair
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Bosch HBN56M550B/03 Double Oven. Main Oven on fan oven selection

Customer Question

Bosch HBN56M550B/03 Double Oven. Main Oven on fan oven selection keeps resetting to 160 degrees. Is this a simple part replacement? Convection oven selection does not appear to be affecte.
Submitted: 1 year ago.
Category: Appliance
Expert:  George-Allsorts replied 1 year ago.
Hello, my name is George..

Check / Change the fan oven element

Kindly be patient whilst awaiting any responses from me as I'm not constantly available.
Customer: replied 1 year ago.

I have just discovered that the convection option resets as well. I cannot see how the element would do that, it looks more like a controller function to me. The temp doesn't drop, the display flashes and rests to the 160 default.

Expert:  George-Allsorts replied 1 year ago.
Then I suggest that you check the PTC Sensor connection at the main board Brian... The PTC Sensor itself could be defective, likewise the Mainboard itself.. But check the board connections first
George-Allsorts and other Appliance Specialists are ready to help you
Expert:  George-Allsorts replied 1 year ago.
As requested.. Contact details are below
Expert:  George-Allsorts replied 1 year ago.
I would also check that the cooling fan is operating

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