Turn the device's knob or press its buttons as you would do when using the device normally. This step is not necessary on a digital multimeter. The readout on the screen will instantly read 1, which means that there isnt any continuity. Always unplug your toaster before cleaning or repairing it. It often doesnt react when the voltage setting is too high. . BTW, below is my overall approach for this type of question-, Here is my approach towards testing any real world object-. It's actually pretty tricky to spot, so if you want to be more accurate, be sure to drink some red wine beforehand to stain . Attach the alligator clip to one prong of the cord. Turn the dial on your multimeter to set it to measure voltage rather than resistance. Bread drops particles as it toasts, collecting on the bottom of the toaster appliance. If the latch is damaged or obstructed, service the assembly (see below). This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Your email address will not be published. Her work has appeared in several national literary magazines. Different sized bread (area) should be usable in the device, Different sized bread (thickness) should be usable in the device, Bread should not fall against heating elements, Ability to produce light, medium and dark toast, Ability to toast 1, 2 or 4 (if needed) slices at once, Ability to automatically stop when toast is done without manual intervention, Ability to toast 2 slices light and 2 slices dark at the same time (if 4 slot), Ability to set toasting level that is remembered next time, Appearance, must be attractive for the consumer in their culture, Device should be able to toast multiple sets of bread slices in a row, Device should have mechanism for catching crumbs over time, Collected crumbs should be easily removable, A safe plug so it can be plugged into electricity, A mechanism to prevent knives being poked at heating elements, No meltable or flammable elements during normal operation, Works safely through a power cut & power restoration. Turn on the multimeter and set its function to the lowest setting for ohms (resistance). The only issue is that a multifunction tester will not be able to test earth bond at higher current ratings 8A 10A 20A etc but there are expensive battery operated PAT testers on the market which only test earth bond at about 200mA similar to the multifunction tester. If you brainstorm a bit, you might come up with other interesting stakeholders, like the federal agencies that enforce standards on electronic appliances. Connect and share knowledge within a single location that is structured and easy to search. Higher-quality toasters often include a better chassis and parts that require fewer repairs. If there is a complete circuit, your multimeter will either beep, show a "0", or something other than a "1". Hold the multimeter probes by the plastic ends to avoid touching the exposed metal tips and short-circuiting the device. This article will walk you through the entire process step-by-step, whether youre using a digital or analog multimeter. For instance, most home outlets maintain a 120-volt current. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/c\/c2\/Test-a-Multimeter-Step-5.jpg\/v4-460px-Test-a-Multimeter-Step-5.jpg","bigUrl":"\/images\/thumb\/c\/c2\/Test-a-Multimeter-Step-5.jpg\/aid11779532-v4-728px-Test-a-Multimeter-Step-5.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. First, most toasters are built to be throwaway appliances. Those are some of the basics, butbe sure to read over your multimeters manual for any specifics. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/76\/Test-a-Multimeter-Step-10.jpg\/v4-460px-Test-a-Multimeter-Step-10.jpg","bigUrl":"\/images\/thumb\/7\/76\/Test-a-Multimeter-Step-10.jpg\/aid11779532-v4-728px-Test-a-Multimeter-Step-10.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. The multimeter itself has a display at the top, which gives you your readout, and theres a big selection knob that you can spin around to select a specific setting. Remove the red and black probes to shut off the multimeter. This test is used for a variety of other electrical devices. If you are using an analog device, hold the two probes together as you adjust the meter's needle to "0.". Since we have the multimeter set to a high 200 volts, it shows1.6 on the screen, meaning 1.6 volts. An analog multimeter is easier to fix because the dial may just need calibration. Use a continuity tester or multimeter to test the solenoid switch. If you dont see any readout, the circuit may not be receiving any electrical power at all. Also take a moment to look inside for loose food trapped behind element wires where it can short out an element. Learn more about Stack Overflow the company, and our products. Remove the carriage lever and unfasten the cover panel. All youll need to do is touch the two probes together. Is a copyright claim diminished by an owner's refusal to publish? Above is a crude mockup of what this would look like with a basic clock running off of a AA battery. A low ohm reading indicates that the element is good. Other problems with toasters include cords that malfunction, latch assemblies that are damaged or obstructed, or faulty elements and thermostats. We needs to remember two magic words requirements and specifications and then approach toaster, vending machine, alarm clock, pen etc etc as any other usual application under test with different testing types like functional testing, usability testing, white box testing, black box testing, performance testing, load testing and so on and so on. Jesse Kuhlman is a Master Electrician and the Owner of Kuhlman Electrician Services based in Massachusetts. A quality toaster that is regularly maintained can last 10 or more years. Interview Question: How to plan and design testing for a web application? wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Multimeters also measure resistance in ohms () and continuity. If the readings are off, try testing a few different new batteries just to make sure the battery you tested wasnt defective. Its more of a practice / thinking process to assess / analyse / validate a system from black box perspective. Now select the mode to continuity test. Start at the top of the range and adjust down. Great illustrations, step by step instructions. Jesse is also the author of four eBooks on home wiring including "Residential Electrical Troubleshooting" which covers basic electrical troubleshooting in residential homes. On many multimeters, these 2 jacks are color-coded. Yours might be slightly different in some ways, but all multimeters are similar for the most part. Basically, if there is resistance, then there is continuity. Software Quality Assurance & Testing Meta. On the positive side, the wire going from the battery to the clock is broken up. So if you have your multimeter set to 20 in the DCV section, the multimeter will measure voltages up to 20 volts. Take the black probe and touch the wide flat prong. Get some Q-Tips, blue food coloring . How to Use Cron With Your Docker Containers, How to Use Docker to Containerize PHP and Apache, How to Pass Environment Variables to Docker Containers, How to Check If Your Server Is Vulnerable to the log4j Java Exploit (Log4Shell), How to Use State in Functional React Components, How to Restart Kubernetes Pods With Kubectl, How to Find Your Apache Configuration Folder, How to Assign a Static IP to a Docker Container, How to Get Started With Portainer, a Web UI for Docker, How to Configure Cache-Control Headers in NGINX, How to Set Variables In Your GitLab CI Pipelines, How Does Git Reset Actually Work? For starters, lets go over some of the different parts of a multimeter. If the reading is a flat 0, that's fine too. This Fix-It Guide also refers to electrical receptacle repair, electrical cord repair, heating element repair, and switch repair for more information on how to fix a toaster. References. Identify and adjust the calibration knob, typically located behind the toasting selector knob. As a small thank you, wed like to offer you a $30 gift card (valid at GoNift.com). Going straight for the disassembly might be futile if you do not know exactly where the heating element or the screws holding it in place are. Armed with one, you can go about checking your heating element through the steps we provide below. Can Power Companies Remotely Adjust Your Smart Thermostat? It measures the resistance in the circuit with this current and reports back to you whether the circuit is working. Preheat your oven and use an oven thermometer to cross-check the heat. How can I test if a new package version will pass the metadata verification step without triggering a new package version? 3 Set your device to the "amp" setting. If you reverse the probes, you won't get an accurate test result. The setting is symbolized by a diode or sound wave symbol as seen in the pictures. I want to know how we should approach for testing real world objects. This image may not be used by other entities without the express written consent of wikiHow, Inc.
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/8\/8b\/Test-Voltage-with-a-Multimeter-Step-11.jpg\/v4-460px-Test-Voltage-with-a-Multimeter-Step-11.jpg","bigUrl":"\/images\/thumb\/8\/8b\/Test-Voltage-with-a-Multimeter-Step-11.jpg\/aid11330832-v4-728px-Test-Voltage-with-a-Multimeter-Step-11.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\u00a9 2023 wikiHow, Inc. All rights reserved. With either a digital or analog multimeter, make sure the probes are connected to the multimeter on one end and with the free ends, make contact with each of the open terminals on the heating element. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Use it to try out great new products and services nationwide without paying full pricewine, food delivery, clothing and more. Many such other test can be performed depending on the features of equipment. First, I didn't know how to activate it, but this. While most repairs and diagnostics on household appliances can be best handled by a qualified service person, users need to know how to test a heating element with a multimeter. Most modern multimeters are autorange, meaning they set the proper range once you begin the test. If you're an electrician or have a lot of tools that use the same fuse, then this may be the most cost-effective choice. One way to test if a multimeter is capable of measuring resistance is as follows: First, you will need to purchase a resistor of a known value. If this is your video, please say so. Weighing which requirements, and thus which related tests, are more important than others is a whole conversation by itself - one where experience plays a large role. If a fuse is blown, it only means you cant measure current, or amps. A reading of 0.L (infinity), or a reading higher than 120 ohms indicates that the element is defective or dirty. Were committed to providing the world with free how-to resources, and even $1 helps us in our mission. If you need to see whether or not an outlet is working, use a non-contact tester instead. It comes with an auto-ranging feature, which means you dont have to select a specific number value and worry about it being too high or low. Also Read: How to get melted plastic off oven heating element? Preheat your oven to 350 F (177 C). This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Repeat Answers from this link. Making statements based on opinion; back them up with references or personal experience. Keep the probes still until you get a reading on the multimeter screen. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/e\/ee\/Test-a-Multimeter-Step-1.jpg\/v4-460px-Test-a-Multimeter-Step-1.jpg","bigUrl":"\/images\/thumb\/e\/ee\/Test-a-Multimeter-Step-1.jpg\/aid11779532-v4-728px-Test-a-Multimeter-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":" \u00a9 2023 wikiHow, Inc. All rights reserved. Well, in this case with the AA battery, were checking to see if it has any juice left. If I was being interviewed and was asked this question, first of all I would start off by trying to quench my curiosity. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Interview question on doing a production release with a bug, Test Design Interview Question - How will you test a photo sharing app (like Instagram). This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2023 wikiHow, Inc. All rights reserved. One thing I always like to get in are testing points of failure. Vesta Precision Sous Vide Review | Top Precision Temperature Control. In this video, Steve will take you through the basics of both digital and analog multi meters, and how these work on both load and non-load components of your appliance. Once you do this, note the readings that you get from the device. Pull the red probe away from the circuit, then take away the black one. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Set the multimeter dial to a higher range, then perform the test again. These usually come with a new multimeter. This process will vary widely depending on appliance. Another way is doing a manual test using dog standard LR /IR test instrument. Testing the current draw of something is a bit trickier, as the multimeter needs to be connected in series. All Rights Reserved. Method 1 Measuring the Fuse Performance Download Article 1 Set the multimeter to the ohms setting. Setting up most multimeters is simple as you just have to select the continuity test mode. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Wait for the beeping sound to indicate your oven has preheated. Remove the crumb tray cover to access the solenoid switch, typically located near the thermostat on the controller side of the toaster. Some multimeters make a beeping sounds, others show a value close to 0 on their screen. Two (2) tests are included in each kit. This setting is usually denoted with the battery symbol. With either a digital or analog multimeter, make sure the probes are connected to the multimeter on one end and with the free ends, make contact with each of the open terminals on the heating element. This means that the circuit youre testing needs to be broken first, and then your multimeter is placed in between that break to connect the circuit back up. Thanks to all authors for creating a page that has been read 12,974 times. Using the wrong setting could destroy the multimeter. For this test, you dont need the black lead. Because were dealing with electrical devices, the first step is usually to switch off the power supply to the device. The multimeter will still work in its other functions if fuses are blown. To test a refrigerator's temperature control, for example, pull the temperature control knob away from the refrigerator's wall and touch each alligator clip to one of the temperature control's two terminals. If adjusting the thermostat doesnt solve the problem, replace the thermostat or the toaster. How to Interpret Your Residential Electrical Meter, Unlock expert answers by supporting wikiHow, https://www.sciencebuddies.org/science-fair-projects/references/how-to-use-a-multimeter, https://www.bobvila.com/articles/how-to-use-a-multimeter/, https://sciencing.com/use-centech-digital-multimeter-6101228.html, https://myslu.stlawu.edu/~jmil/physics/labs/common/multimeter.pdf, https://cie-wc.edu/AnalogMultimeter_MeasuringDCVoltage_10-18.pdf, https://sciencing.com/use-analog-multimeters-8297477.html. Step 1: Locate the starter solenoid. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. What youll need for the test is a working multimeter, the heating element that needs testing and the probes to use to contact the terminals. A beep indicates continuity and tells you that a fuse is functioning. Set the multimeter to continuity test mode. % of people told us that this article helped them. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. When you purchase through our links we may earn a commission. A simple test to see if you're a supertaster. After blogging about it one time though, I found out that I'd been found out and so I left it off and basically started asking deeper questions about how someone did previous work and describing to me how they did what they did. While this may be the reason why your appliance isnt working, you can use the continuity test to see if that is the case. Multimeters are generally inexpensive and you can get a simple one for less than 20 dollars. The next step is to put the tip of the two Multimeter leads on both solenoid's heft depots. +1 for a requirements-first strategy. Read the multimeter. A slice of bread or other appropriate food item is placed through a slot in the top of the toaster and into the carriage. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Try showing it to a hardware store employee and see if they can adjust it for you. Did you know you can get expert answers for this article? If youre doing any kind of electrical workno matter what the application isone of the best tools you can have at your disposal is a multimeter. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Software Quality Assurance & Testing Stack Exchange is a question and answer site for software quality control experts, automation engineers, and software testers. And here we will do functional, integration, system, performance, stress testing. If there is a complete circuit, your multimeter will either beep, show a 0, or something other than a 1. That aside, a multimeter is a useful electrical device that is used to measure multiple electrical values like resistance, volts and current. By using our site, you agree to our. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2023 wikiHow, Inc. All rights reserved. ** What are the stress/failure conditions? Never touch live wires or outlets. Anyway, lets get started actually using a multimeter. If the multimeter displays a negative number, for example, the probes are most likely in the wrong place. Find out more about our fast shipping and interactive customer service on our website. Craig Lloyd is a smarthome expert with nearly ten years of professional writing experience. Consider spending a little more and keeping it longer. It is important to know the "expected" result when your object is going to fail. We specialize in OEM (Original Equipment Manufacturer) parts, so you can rest assured that your part will fit with your model appliance. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Touch the black probe to the narrow prong and then the round prong for an O.L. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. The best answers are voted up and rise to the top, Not the answer you're looking for? This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. 3. I would imagine testing: Instead of thinking about the tests first - stress, functional, whatever - think about who cares about the results of the test, and what does that imply about the importance of the test? Does the vendor provide any user manual or claims documentation? The continuity will have a resistance of .8 ohms or less. Handle them with caution to avoid coming into contact with the metal tips or bumping the probes together. Determine the resistance between the upper heating element's two screw terminals. If you were to ever set the selection knob to a number value lower than the voltage of the thing youre testing, the multimeter would just read 1, signifying that its overloaded. Generally, these are marked with a "+" and "-" sign respectively. There are two kinds of Multimeters, analog, and digital. Inspect the latch assembly for obvious damage or crumbs. Once this is done, you can go ahead and skip the next step if youre using a digital multimeter. Additionally, checking the manual will notify you of any warranty issues that could arise from this endeavor, so make sure you study it carefully. This image may not be used by other entities without the express written consent of wikiHow, Inc. \u00a9 2023 wikiHow, Inc. All rights reserved. [1] Here we see how to test a heating element with a multimeter. wikiHow is where trusted research and expert knowledge come together. Hit the LIKE button, and dont forget to SUBSCRIBE to our channel for more help with your appliances! Simply enter your model or part number into our website to get started finding the manufacturer-approved part you need!https://www.partselect.com/?utm_source=youtube.com\u0026utm_medium=Referral\u0026utm_campaign=CTA\u0026utm_term=YTIDDo you need to check the continuity on a component of your major appliance? A. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. Some units slide out from the front while others require that you unlatch a cover underneath the unitpreferably over the trash can. Highlight a Row Using Conditional Formatting, Hide or Password Protect a Folder in Windows, Access Your Router If You Forget the Password, Access Your Linux Partitions From Windows, How to Connect to Localhost Within a Docker Container, How to Run Your Own DNS Server on Your Local Network. wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. To test household circuit devices, switch to AC and use the OHMS scale. For others you may need to contact the toasters manufacturer. I thought this read "How to toast a tester?". Good enough for me. The mAV port is meant for currents rated at 200 milliamps (mA). If youre attempting to test live wires, find the screws pinning the wires in place. Why is Noether's theorem not guaranteed by calculus? Your email address will not be published. Typical product company interview question. How-To Geek is where you turn when you want experts to explain technology. Basically, in order to test a heating element with a multimeter, you can use the continuity test or the resistance test mode. What Is a PEM File and How Do You Use It? Attach alligator clips to the multimeter probes. Thanks to all authors for creating a page that has been read 69,270 times. DC is for batteries and other low-voltage power sources. If the thermostat is faulty, replace the thermostat or the toaster. Porcupine Scat Size,
Shaka Smart Family,
Uss Cruise Books,
Articles H
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/5\/5b\/Test-a-Multimeter-Step-6.jpg\/v4-460px-Test-a-Multimeter-Step-6.jpg","bigUrl":"\/images\/thumb\/5\/5b\/Test-a-Multimeter-Step-6.jpg\/aid11779532-v4-728px-Test-a-Multimeter-Step-6.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/4\/4c\/Test-Voltage-with-a-Multimeter-Step-6.jpg\/v4-460px-Test-Voltage-with-a-Multimeter-Step-6.jpg","bigUrl":"\/images\/thumb\/4\/4c\/Test-Voltage-with-a-Multimeter-Step-6.jpg\/aid11330832-v4-728px-Test-Voltage-with-a-Multimeter-Step-6.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
\n<\/p>
\n<\/p><\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/75\/Test-a-Multimeter-Step-2.jpg\/v4-460px-Test-a-Multimeter-Step-2.jpg","bigUrl":"\/images\/thumb\/7\/75\/Test-a-Multimeter-Step-2.jpg\/aid11779532-v4-728px-Test-a-Multimeter-Step-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"