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HBN7052GB main oven trips house circuit breaker

A few months ago I had to replace the element in the main oven of our HBN7052GB. Recently the oven caused the main circuit breaker in our consumer unit to trip, plunging the whole house into darkness. I've subsequently discovered that the oven will work quite happily when set to 150º but if I set it to 200º it causes the CB to trip when the temperature approaches 200º. Can anyone suggest which component is most likely to be failing?

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  • btemple642 Nov 15, 2009

    Hi. Thanks for your reply. No it's not a genuine Bosch replacement part but it's worked fine for about five months. I have tried removing it and connecting it directly to the mains without it tripping the breaker and also, the fan is running at full speed.
    The original element was replaced because of a similar circuit breaker problem. Disconnecting the element stopped the breaker tripping so I assumed it was the element that was at fault.

  • Andy Thomas
    Andy Thomas May 11, 2010

    Hi . From experience I would say the element is faulty. Was the replacement element a genuine make one or a aftermarket type? Before the problem accured did it "appear" to cook at the right temperature? Also check that the fan iside the oven is rotating quickly

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