Hello have a kenmore pro microwave hood combination model # 790.89393510. Wondering where is the fuse located at? Thanks
BE SAFETY AWARE when working in the oven. Discharge the HV capacitor before doing anything else inside the oven after the cover has been removed to gain access to the components
You’re in luck, because here’s a link to the parts for the oven which also has the wiring diagram so that you can check to see what the problem is.
Scroll down the parts list to find the part number which will tell you the cost of the part
Here’s an taken from the list manual that show where. The fuse is indicated by green arrow and the air guide duct is in red.
The line fuse, also known as a ceramic fuse, is used to protect your microwave when there is a power serge by shutting down the microwave to avoid damage. If your microwave has no heat, won’t turn on, or the touch pad is not working properly, you may need to replace the fuse. This part measures approximately 1.25” long and is sold individually. Please remember to disconnect power to the microwave before starting the repair. This is a genuine OEM part.
The ceramic fuse protects the microwave by shutting it off if there is an electrical surge. If your microwave is not turning on, you may need to replace the fuse. This part is 20 amp, just over an inch long, metallic on both ends and ceramic in the middle. This is a genuine OEM part. Please remember to disconnect power to your microwave before starting your repair.
This line fuse protects the microwave by shutting down if there is an electrical surge. If your microwave is not turning on, you may need to replace the fuse. This part is just over an inch long, metallic on both ends and white ceramic in the middle. Please remember to disconnect power to your microwave before starting your repair. This is a genuine OEM part.
The fuse protects the microwave by shutting it off if there is an electrical surge. If your microwave is not turning on you may need to replace the fuse. This part is just over an inch long, is metallic on both ends, and ceramic in the middle. This is a genuine OEM part. Please remember to disconnect power to your microwave before starting your repair.
The thermal fuse, also known as a safety thermostat, protects the oven range from overheating. If the oven range overheats, the fuse is blown to cut power off to the oven range. Once the fuse has blown, the oven range will no longer heat and the fuse will need to be replaced. The thermal fuse measures approximately 1” and can also be used in a microwave, check your model number. This is a genuine OEM part. Please remember to disconnect the power to the appliance before starting the repair.
What kind of fuse do you need to replace?
A fuse is an electrical device that prevents too much current from passing through an electrical circuit. These are usually sacrificial components, meaning that they are damaged after being tripped and cannot be re-used. Microwaves usually contain several types of fuses for safe operation. A main fuse or line fuse is a fuse that will cut the flow of electricity if too much current passes through it. Conversely, a thermal fuse will prevent electrical flow if the fuse is heated to a specific temperature.
Before you replace a fuse, it is a good idea to test the part to make sure it is actually the cause of your problem. You can use a multimeter to test the part for continuity. A continuity test will determine if a continuous electrical path is present in the fuse. Before you begin, make sure the microwave is unplugged, but since high voltage capacitors used in microwaves may retain a charge even after the oven has been unplugged, it is recommended to discharge the capacitor before servicing. You can do this be placing a screwdriver blade across each set of capacitor terminals. You should avoid touching the blade when doing this.
Once you have removed the fuse from the microwave, touch the probes of your multimeter to each terminal of the part. If the meter reading shows zero ohms of resistance, the fuse has continuity. If the meter’s needle does not move, or the digital display does not change significantly, there is no continuity, which means the fuse has blown and will need to be replaced.
Be aware that the failure of the fuse often indicates that there is a shorted electrical component in the microwave, such as a failed door switch. This part will also need to be replaced, or the fuse will continue to fail.
If you determine that the fuse is faulty, the next step is to replace the part. As with testing, be sure that the microwave is unplugged before beginning the repair. The first step of the procedure will depend on your model of microwave. If your fuse is located behind the control panel or vent grille, you may be able to access it without removing the microwave from its installation. You will need to remove the grille or control panel to access these fuses. If you cannot access the fuse you need from behind these panels, you will first need to uninstall the appliance. This can usually be achieved by removing 2 or more screws from the top of the microwave, then lowering it and lifting it off a mounting bracket. Set it on a sturdy surface, and then you’re ready to continue.
Next, you will need to remove the outer cover to reach the internal components. Fuses are located in many places inside the microwave, including the top, side, and behind the vent grille. Using the wiring diagram can help you locate the appropriate fuse. Once you have located the fuse, remove any necessary wires and fasteners to free it from the microwave.
To replace the fuse, connect any necessary wires to the new part, and secure it with any clips or fasteners if necessary. Replace the panels or covers and secure them with the screws. If applicable, carefully place the microwave on the mounting bracket, then align it with the cabinet, making sure the power cord is accessible through the top. Secure the screws, plug the microwave back in, and test the appliance to make sure its working properly.
FAQ
How do you know if a fuse is blown in your microwave?
- STEP 1 Find the Reset/Cancel Button.
- STEP 2 Hold the Reset/Cancel Button.
- STEP 3 Test Your Work.
- STEP 1 Find Your Power Cord.
- STEP 2 Unplug your Microwave.
- STEP 4 Plug the Microwave In.
How do I reset my Kenmore microwave?
Where is the microwave fuse located?
What would cause a Kenmore microwave to stop working?
