20 Most Recent Bosch HMT9626GB Microwave Oven Questions & Answers

The magnetron is over heating causing the thermal fuse to open to cut power, the only option is replace the part, but keep in mind it is the most expensive item to install.

If there's no obvious cover or customer-accessible socket (and the owner's manual doesn't cover it), the manufacturer would prefer so.It means that the whole outer cover or other panels would have to be removed to access the bulb or bulb assembly. In a bulb assembly, both the socket and bulb are replaced as one unit.

replace plastic inner and check any rust is there, check inside body and compleat door.

MICROWAVE RUNS ABOUT 5 SECONDS AND SHUTS OFF AND SMOKE FROM UNDERNEATH CABINET

if you close the door, hit start, and it continues to work, then it's doing what it's supposed to do! safety feature!
if it 'pops' a breaker, then there may be a problem with the 'safety interlock' switch, which is engaged when you close the door! possibly cause an electrical "short' when you open it. then you need to get switch replaced!
contact a qualified repair person, or check if your warranty is still covered, and have retailer, or manufacturer rep. fix it! if it is a switch problem it may cost less to replace the microwave!! do the math!
good luck!

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Yes, There are fuses inside the keyboard panel. I would have to take a look at the manual for the specific model you have to identify the easiest way to check the fuse.
Before you go that far check above the hood and see if you can locate the plug end of the microwave. Most installations have a dedicated receptacle above the exhaust vent and microwave. It is usually a space too small for good storage so most housewives store small items and cookbooks in this space. It is usually the culprit for a microwave suddenly going out without someone placing metal inside the oven and heating it.
Heating a metal object or operating a microwave for an extended time will usually blow the fuse.

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