If your microwave oven won’t turn on and the display is blank, the problem may be the ceramic fuse. The ceramic fuse is used to protect the components of the microwave oven if you have a severe power fluctuation or if there is a critical fault with one of the internal components. When the fuse fails, power is interrupted to the controls of the microwave and it will become nonfunctional. The ceramic fuse is located inside of the cabinet near the entry point of the power cord. Remember to unplug the cord before attempting any repairs. You can check the fuse for continuity with a multi-meter. If the fuse failed for no apparent reason, check the major components such as the magnetron, high voltage diode, capacitor and transformer, and associated wire terminals, before changing the fuse. If the fuse failed when opening or closing the door, check for a shorted door switch, monitor switch, or improper adjustment of the door latch assembly. Use only the manufacturers’ suggested part number when replacing this fuse. Our team can help you diagnose your potential problem, walk you through the repair steps, and explain when you should step back and let a professional handle it.
![](https://cdn.prod.website-files.com/5e965a858722ad7309bc98f5/656430f6e61ef819d5c45f8c_fc35bc81e817459d18af6dad42df7917_28251_301870651688502448.jpg)
November 26, 2023
AC is leaking from the coil – HVAC Troubleshooting in San Diego
Have you encountered a leaking air conditioner? This causes not the most pleasant feelings and deprives you of comfort. Before solving this problem, you should determine what exactly became the source of the air conditioner flow.