20 Most Recent Bosch 500 HMB5050 Microwave Oven Questions & Answers


Any product that uses electronic parts is subject to failures. That's why warranties exist. Contact Bosch on their webpage to get assistance.

Bosch 500... | Answered on Nov 16, 2017


Check input power supply by tester if its conform its OK then check the oven control box .try to check any abnormalities there .

Bosch 500... | Answered on Jul 20, 2016


You will need to remove microwave to access casing, remove casing and check door micro-switch. The switch activator will need adjusting to enable door interlock to activate.

Bosch 500... | Answered on May 28, 2016


If there is spark please do not switch on unless you have confirmed the fault. It is possible that the Magnetron is leaking and sparking to the ground. As you have mentioned it was stored, it is quite possible that insect can get into the oven and create soft spots. When you switch on these will create a short and make the voltage jump and in the long run damage the magnetron.
So Remove cover after disconnecting , check for dirt/moisture in the cabin, if so wipe clean and dry, check the magnetron and area clean and use an jet air to clean off.
Now switch the microwave power on and use a cup of water to test.
If you notice any sparks shut off as the magnetron or the main HT capacitor can be faulty. Replace with same type. If not check the waveguides within the cabin for food particles that can burn and spark, check for rust that can corrode and spark when the ceramic paint has worn out.
If there is heating without any issues, you can use the microwave safely

Click on replacing waveguides: http://www.espares.co.uk/advice/microwave/a/5/1146/how-to-replace-a-microwave-guide-cover.html

Bosch 500... | Answered on Dec 28, 2014


Verify that there is power to the oulet. You can test this by plugging another appliance in or you can take your cell phone charger and plug it in to see if it chargers. If your phone charges, then you know it's the microwave. If your phone doesn't charge then you might have an electrical problem and may need to call an electrician.

Bosch 500... | Answered on Sep 11, 2013


My microwave HMB5050 shut down after 2-4 sec.work

Bosch 500... | Answered on Apr 01, 2013


Hi,

I'm assuming this is a built in oven/microwave combination since you mentioned the oven works fine. On a stand alone microwave, we would reset it by unplugging and waiting at least 10 seconds for the microwave to reset itself.
Was the circuit breaker tripped when you reset it? When you reset the circuit breaker, did you wait long enough. Try turning the breaker off, then waiting a couple of minutes before turning it back on. Then give the microwave a try.

Another thing we run into with a built-in is that sometimes there is not enough air circulation. Check to see that the vents are clear and clean.

Good luck! Reply back if this does not solve the problem.
If it does, I'd appreciate a 4 thumbs up. Thanks,

Handie Andie

Bosch 500... | Answered on Dec 14, 2012

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