Connect one testing lead to one terminal of the thermal overload protector and other testing lead to the other terminal of the compressor overload. 1. By starting high and working downwards, you will avoid damaging the meter by exposing it to a greater voltage than expected. If the relay still works, you may also need to check the compressor to make sure it’s still functioning. The refrigerator-freezer temperature controls the operating temperatures of both the freezer and refrigerator compartments. Confirm what voltage a campground’s hookup is supplying. 2. MAGS How To Videos - How To Use a Multimeter (For Beginners)In this video I will help teach you how use a multimeter to test volts (AC & DC), amps and ohms. . how to use a multimeter to test a refrigerator. Turn off and unplug your appliance. Created with by OmTemplates | Distributed By Blogspot Themes, Today I am writing about the refrigerator overload protector testing using a multimeter. If you want to use a multimeter to check for AC or DC voltages, adjust the selector switch to the highest range provided for AC volts. You have to set the multimeter to a range that it can measure. Red goes to the positive (+) and black to the negative (-). Insert the black probe in the COM or negative jack, and insert the red probe in the V or positive jack, then insert the other ends of the … Find a blown fuse by measuring its resistance. Becoming familiar with the common tests, what the readouts should be on functioning parts, and how to use the results to take next steps are some of the most important parts of the job. February 7, 2021 - Comments are off for this post. These are what will allow you to test your socket and will need to be attached to the multimeter. The test gives you a rough idea of whether the battery is good, shot, or needs to be charged. The resistance settings are the ones measured in Ohms. Use a multimeter to measure resistance across all the pairs of the connectors on the underside of the PTC relay. If you can't get any reading at all make sure you set the multimeter on the lowest resistance or Continuity range and repeat the measurements. For example, 2V measures voltages up to 2 volts, and 20V measures voltages up to 20 volts. You can begin to use your multimeter to perform tests and repairs on your switches, controllers, motors and all electrical machines with several parts like hairdryers, vacuum cleaners, electrical cords as well as other appliances. Among other uses, a multimeter measures the electrical output of devices. This video will show you how to use a multimeter to measure voltage, current, resistance, and continuity. Powered by WordPress, To measure the resistance of a part of an appliance, you would need to set the range on your. (Or simply remove the wires connected to the part to isolate it.) Select the function and connect the probes. How to Use a Multimeter. And you must change the overload protector with a new one with the same range. So if you’ve measuring a 12V battery, use the 20V setting. Steps. How to check a faulty thermostat using a multimeter - YouTube Failure Symptoms: Poor cooling in both sections, but especially in the refrigerator section. You can use either a digital or analog meter in order to test your part. Turn the selector dial or switch to the type of measurement you want. What is the Average Compensation for Car Accident Cases? After you access the relay and compressor on your fridge, use a multimeter to test the ports to make sure it has a low resistance. Fridge Too Cold. supports HTML5 video. A platform to learn electrical wiring, single phase, 3 phase wiring, controlling, HVAC, electrical installation, electrical diagrams. Hold the probes on the poles and wait for the discharge process to complete. Use the 20V setting. Insert the black probe into the COM port, which is the common terminal, and the red probe in the VΩmA port, which is specifically the port for the measurement of voltage and ohms. Hopefully this will help someone else who tries to trouble shoot their own fridge. Remove the potentially faulty part from your appliance. Only one pair should give you a reading - it should be between 10 - 100 ohms. How to Test Freezer Temperature Control. Set your multimeter on the low impedance function and take the probes. Plug the probes into the meter. I also published a post about working, How To Test Refrigerator Overload Protector Using Multimeter, Refrigerator Overload Protector Testing Using Multi-meter, principles of refrigerator compressor thermal overload protecto, How to test and wire refrigeator thermal thermostat switch, common places and problems of refrigerator not working, Distribution Board Wiring Diagram For Single Phase Wiring, How to Control a Lamp / Light Bulb from Two places Using Two Way switches For Staircase Lighting Circuit, Contactor Wiring Diagram For 3 Phase Motor with Overload relay, Forward Reverse Motor Control Diagram For 3 Phase Motor. By using this tool, you'll quickly determine whether the thermostat or heater is defective. This resets the main control board. In Europe, it is 220 volts AC. Thermostat. At the very basic level you have the device itself, along with two probes, which are the black and red cables that have plugs on one end and metal tips on the other. Use a multimeter to measure resistance across all the pairs of the connectors on the underside of the PTC relay. Test the fan for continuity using a multitester. Pull your refrigerator away from the wall carefully so you can access the power cable. Multimeters are generally not autoranging. 5V system? Most people aren’t familiar with how to use a multimeter or what to do with the results once they have them. Method 1 of 3: Accessing the Relay 1. Checking circuits is another valuable use of the multimeter. Use a multimeter to test it; the resistance should rise or fall in conjunction with the temperature of the fridge, and it should have continuity. how to test a refrigerator compressor start capacitor Home Services Blog If it lacks continuity or the resistance doesn’t change, the thermistor should be replaced. « What you should know about sugar-free products? Super High-Tech Tip: If you need to check a regular wall outlet (110 VAC) for voltage, plug in a hair dryer or night-light. After that, place the probes on either side of the device as you did for the continuity test. Identify which lead is positive and which one is negative, on the capacitor, and place the probes accordingly. Safety first! Get One Here. See how to use continuity checks to identify the problem and make sure that the fan motor, electronic control board and the wiring that connects them are work correctly. Then set your multimeter on connectivity test or diode testing. During a bench test, the service technician will apply 120-volts to the evaporator fan motor, to see whether it runs or not. A multimeter is used to measure both AC (alternating current) and DC (direct current). how a multimeter could be an essential addition to your toolbox. Although you will always get instructions when the test meter is bought, the further details on using a multimeter in testing circuits are not always available. The bulb filament appears to be good, and the fuse is OK. a) Set the meter on the appropriate DC scale and touch the red probe to the contact inside the socket (+) and the black probe to the rim of the socket (-). Different multimeter models, including analog and digital types, vary in the way they test and display data, so be sure to follow the directions in your multimeter's user manual for its proper use. Multimeters are cheap to buy, and they are one of the significantly used electronic test equipment. First of all off the refrigerator and plug out the refrigerator supply plug from the outlet, or switch off the double pole circuit breaker from which the refrigerator supply plug controlled. Turn on the multimeter and set its function to the lowest setting for ohms (resistance). How To Use A Multimeter. Often they are called VOM (Volt-Ohmmeter) or multimeters. If you find that there is some connectivity then it means that the overload is alright and working properly. Don't Have a Multimeter? 6 Classy Ways to Stand Out At a Fancy Dress Party ». If you can't get any reading at all make sure you set the multimeter on the lowest resistance or Continuity range and repeat the measurements. Some countries supply both 110v or 240v, and you need to use the appropriate voltage for your setup. 4. A voltmeter and ohmmeter are actually contained in the same device. Your measurement will not be accurate enough to solve some of the very rare home electrical problems but good enough for government work! In this post, I will complete guide you about how to test a refrigerator thermal overload protector using a multimeter. As you know that "thermal overload protector" is designed to protect the refrigerator compressor during over current flow. The refrigerator overload protector testing is very easy using a multi meter, to test your refrigerator thermal overload protector follows the below steps. In our case, we are on AC, and on the screen, you will see a wavy sign after the knob is … And if you don't see any connectivity then wait for 5 to 10 minutes and then tests the thermal overload protector again. Unplug your fridge. Some multimeter’s will display an actual number when … To measure alternating current, such as a wall outlet for home appliances use ACV or V~. Only one pair should give you a reading - it should be between 10 - 100 ohms. And if still has no connectivity then it means that your refrigerator overload is internally open connection or cut. For starters, lets go over some of the different parts of a multimeter. 3. Ω Look for this symbol on your meter. If you don't have an multimeter… Why Custom Photo Decor is Perfect for Valentine’s Day, The Importance of Finding a Reputable Provider for Foundation Repair, Easter Eggs in January – Why Marketing Starts Earlier & Earlier, Diet culture and January – How to protect yourself. First, disconnect the appliance from power source except you are testing a live circuit. And you don't need to replace the overload. It is the first time your fridge stops cooling, or your oven stops heating, then you ask around to know if there was a way to diagnose the problems. If you’ve hooked up, but the battery bank isn’t charging, use the multimeter to check if the outlet provides any voltage. How to test a fridge compressor using a multimeter - YouTube Therefore, many individuals do not understand how to use a multimeter. Test your multimeter is working by pressing the probes together. to the standard resistance of that appliance part. Here is how you can use your multimeter for the measurement of voltage: Start with connecting the multimeter to the circuit. How To Use A Multimeter For Appliance Repair. Set the multimeter to Ohms and … The refrigerator overload protector testing is very easy using a multi meter, to test your refrigerator thermal overload protector follows the below steps. First of all off the refrigerator and plug out the refrigerator supply plug from the outlet, or switch off the double pole circuit breaker from which the refrigerator supply plug controlled. Remove both wires from the thermal overload protector. To test the evaporator fan motor of a refrigerator I know you can just test the resistance of the fan motor. Set the multimeter to the continuity setting. Even if it runs, it could generate a noise that is unusually loud. refrigerator defrost heating element for continuity using a multimeter. Then plug the test lead into the multimeter. The thermal overload protector is connected or installed near the starting (. April 16, 2018 by vicky. Example: a 12-volt-DC light bulb fails to function. If you use an analog meter (which gives readings in a scale or gauge), you will need to make sure it is properly calibrated before testing your part. Turn on your multimeter and set to the lowest resistance setting. You even go on search engines. When testing your appliance, keep in mind that in the US, voltage is 110 to 120 volts AC.
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