Now power to microwave

Hello, Kiesha -

There can be several reasons why your microwave oven will not heat up. Read the information here:
https://www.partselect.com/Repair/Microwave/No-Heat/

Needless to say, unless you are experienced in fixing microwave ovens or you know someone who is, you will need to find an authorized repair business for Hamilton Beach microwave ovens and take your microwave in for an evaluation for repair. There may be an initial charge for evaluating the microwave for the possibility of repair.

If your microwave oven is still under warranty, see the information from Hamilton Beach here:
https://www.hamiltonbeach.com/warranty

If there are no fuses or circuit breakers, the unit could be down and out. Check you power box for any tripped breakers.

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

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dont trip the breaker

your power transformer for the magnetron could have a shorted primary power winding,the door safety interlock switch could be mis-adjusted,this normally blows the internal unit fuse,a shorted high voltage capacitor,or diode,a bare wire inside the unit,more than the microwave on that circuit or a weak circuit breaker in the house power panel

Ck and make sure the circuit breaker on the power panel on the house hasn't tripped.. If your microwave is within 6' of the kitchen sink, ck for a tripped GFCI controlling the power the microwave is plugged into. Good Luck, Ned

• Make sure that the microwave is plugged into a grounded outlet. It must be a 3-prong outlet.
  
• Make sure the clock is set.
• Check to see if a programming sequence was entered. Sometimes improper programming or a program sequence such as delay start can cause the touch panel to be non-responsive. Unplug microwave or turn off house circuit breaker for 30 seconds. Plug back in, or reset circuit breaker, and try reprogramming unit.
  
• Check the house circuit breaker or fuse box. If the microwave is DEAD and there is no display and nothing works- the problem could be a blown fuse or tripped breaker.

try pluging it in on another outlet with an extension cord must be a diffent cerciut breaker if it happens again the microwave has a short. if not its that breaker or outlet.

I would be sure to check the microwave's outlet under a load.

One good way is to use a toaster or hair dryer for about a minute to see if they run at full power and run without their heating elements dimming.

If the power at the outlet is steady, I would suggest a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again.

If it still fails to heat properly, I would say you have a failing magnetron, and it would just be a coincidence that the failure began after the new wiring was installed.

If you need to order the magnetron, Sears sells it for $73.13, but you can get it for $41.84 here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Safety first, unplug your microwave from socket outlet.Needs to troubleshoots series of components using eliminating method to know which component(s) that causes breaker to trip off. It is obvious that a componet(s) "shorted out".Remove your fuse and replace it with resetable breaker tested.
Remove leads of the transformer output(secondary side). plug power cord run the microwave.If does not trip off the cct breaker change your transformer. do the same to capacitor lead, one after the other until you discover which component that shorted and cause your cct breaker to trip off.