How To Know When A Ceramic Fuse Is Blown

Testing a ceramic fuse is the only way to tell if the fuse has blown.

How to know when a ceramic fuse is blown.

Listen for the multimeter to beep continuously as you hold the probes against the fuse. A ceramic fuse however shows no damage upon visual inspection. To do this use a voltmeter ohmmeter. This is necessary for ceramic fuses since they don t develop a blackened appearance like blown glass fuses.

Difference between ceramic glass fuses image credit. A homeowner can determine if a glass fuse in blown by performing a visual inspection and looking for a break in the thin wire and a brown discoloration in the center of the fuse. If too much current flows through a circuit a fuse is designed. A homeowner can determine if a glass fuse in blown by performing a visual inspection and looking for a break in the thin wire and a brown discolouration in the centre of the fuse.

If you don t hear any noise coming from the meter then the fuse is blown and should be replaced. Make sure not to induce too much pressure or you might harm the conducting surface of the fuse. Testing a ceramic fuse is the only way to tell if the fuse has blown. Thomas j peterson photographer s choice rf gettyimages.

If the fuse seems stuck use pliers for this. A ceramic fuse however shows no damage upon visual inspection. If you re using a digital multimeter set to measure resistance touch the probes together to get an initial reading. You need to test whether the ceramic fuse has blown.