Before showing you on how to test or check a fuse, first you need to understand the purpose of a fuse. The function of fuses is to stop higher than normal current to flow to an electronic circuit-it is designed to protect equipment and save electronic components from being damaged and als...
We can check the fuse visually to see if it's broken or we can do an electrical test on the fuse using a multimeter to see if it's good or blown. Visual Test of a Fuse The first test is to do a visual check of the fuse. If the fuse has a broken or melted connector, it is...
This tutorial will show you how you can test if your multimeter is working, and if it is working, I will also give you a few tips on how to use this device. So, let’s first start with testing whether the multimeter is working or not. Step 1: Check the Battery and Try to Power-...
Automotive retailers sell dedicated fuse testers that allow you to test your fuses, though it isn't really necessary. While it is perfectly okay to utilize such tools, you can save some money if you already own a multimeter!Multimeters are complex electronic toolsthat truly expedite electrical ni...
Method 2: Test the ceramic fuse without a multimeter A finger-safe terminal with the correct voltage bulb is always a safe method to check theceramicsfuse’s configuration. It should be assured first that there is no makeshift wire touching the metal surface that could bring some harm to you...
Set the multimeter to AC, VAC or V~. Step 2 Connect the red wire to the positive lead on the multimeter. Connect the black wire to the negative lead. Step 3 Turn on the multimeter. Grip the red lead in your left hand and the black lead in your right hand. Hold the leads with yo...
Continuity is a great way to test if two SMD pins are touching. If your eyes can't see it, the multimeter is usually a great second testing resource. When a system is not working, continuity is one more thing to help troubleshoot the system. Here are the steps to take: ...
In the case of the wrong fuse, the fuse enclosure may burst open from the force of the explosion to find an unlimited amount of oxygen to fuel a plasma fireball. The test leads may also start to melt, and very quickly fire and hot metal gets on your hands, arms, face and clothing....
The blown fuse will be apparent because the wire element within will have melted or burned from the higher electrical current. You can also leverage diagnostic tools like a test light or a multimeter to identify the dead fuse without having to pull it out. Both devices are affordable and ...
Use a multimeter to test all fuses. If none of these measures solves the problem, seek professional help. Modern audio equipment is built using delicate components that cannot be repaired; instead, they are replaced. Your audio professional will know which ones to replace, where to get them, ...