Question about Siemens HF87950GB Convection Microwave Oven

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My Siemens HF879251GB/02 Combi microwave oven was working fine until this evening when the microwave made a odd noise and switched it's self off! On further investigation I found an internal 10A fuse blown. I replaced the fuse and the unit fires up as you would expect with the conventinal oven & grill working fine. But as soon at the microwave is activated the fuse blows. Looking at the microwave there arn't too many things to go wrong. Theres a High voltage capacitor, high voltage transformer, and the Magnetron. Trouble is I'm not sure how to check if one is faulty or if there is anything else I should be looking for?

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Posted on Jan 02, 2017

  • 27 Answers

SOURCE: Siemens HF87950 Internal Bulb replacement

Move unit forward out from enclosure about 20cm....the light is covered by a small panel on top of the casing.(uses torx T20 screws) Remove lid and replace bulb!

Posted on Jun 26, 2007

Falling Down
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SOURCE: Siemens HF87950GB /03

If the display is dim and another problem is denoted on the dim display, the problem may be the power supply which may be in common with both items. The power may have surged to a high level before going out which could have damaged the power supply. The only way to know is to probe the power supply with a voltmeter. If the board doesn't show the power levels, usually +5V or +/- 12 V DC, read the values on the electrolytic capacitors on the board. Usually 16 V caps are used on 12 or 5 volt supplies, 32 V caps on 24 V supplies, etc. Be very careful or leave this to a profesional

Posted on Nov 30, 2007

  • 1 Answer

SOURCE: Siemens HF 87960 GB Microwave/Combo Oven

Please, Can somebody tell me where can I get one of this oven??? Thanks Andy

Posted on Feb 26, 2008

  • 50 Answers

SOURCE: I have siemens combi microwave oven is working but

Sounds like a faulty thermal cutout switch. Take it to a repairer.

Posted on Sep 22, 2009

  • 1 Answer

SOURCE: My Siemens HTHB86K Micro / Oven combo has

I just had exactly the same problem with the same oven, did you find a solution yet?

Posted on Dec 24, 2010

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