Touch the other probe to each of the three terminals in turn. Shake n’ Tell for a Bad Compressor . Go ahead and loosen the screws, and remove the panel.

Learn to test the start relay of the compressor: 1. When your refrigerator suddenly stops cooling, that is a main cause for alarm.

If you do hear the compressor working but your fridge is not cold, or you hear it running constantly without shutting off, then it is likely there is an issue with the compressor as well.

With the multitester still set to X1, touch one probe to bare metal on the compressor housing (it may be necessary to scratch away a little paint to expose the metal). None of the terminals should have continuity; the multitester should display a reading of infinity. The test should be carried out with the plant running at an operating head pressure of at least 100 psig or 6.5 bar if possible in order to prove the efficiency of the valves. But, If the temp below 10°C or 50°F than your fridge compressor seems like trying to produce enough cold, but not able to. Learn to test the start relay of the compressor: 1. A refrigerator requires a compressor to keep the interior cold. Now, you have to check for other alternatives for saving food, other than a large repair bill or purchasing a new fridge. If you do hear a humming noise, but the food in your fridge is warm, your compressor may be functioning improperly (or it may be a different issue causing the problem altogether).

To know more about compressor check, click here. Not only do you stand a chance to lose a lot of frozen and refrigerator food that you have been storing, but you also are quite possibly looking at either a big repair bill or having to purchase a brand new refrigerator. To test the PTC relay in your refrigerator, unplug the fridge and remove the lower back panel so you can access the relay, which will look like a small black box with 2 or 3 wires running into it. The compressor is typically located at the back bottom of the fridge so you'll need to remove the unit from the wall. Here is my how to on modifying fridge compressors into silent air compressors. It is carried out when the functions of the compressor suction and discharge valves are suspect; this will be indicated by high suction and low discharge pressures. Carefully disconnect the wires with a pair of pliers, and then remove the relay by pulling it off of the prongs on the compressor.

If you’re up for doing a little bit of sleuthing on your own before you make a service call for a broken compressor, try this simple test to tell if your compressor is bad or not: Grab a flathead screwdriver, pull your fridge away from the wall, and unplug it. How to Test a Refrigerator Relay Switch. How to Troubleshoot Fridge Compressors. Since the compressor is an important part of the fridge, you usually check this part when the … If the part is solid state, then you will have to have a professional test the part, as it requires specific equipment for testing. Caution: Please read our safety information before attempting any testing or repairs. Take These Steps to Further Test Your Compressor. Then, use a multimeter to check the relay for open resistance. Be careful when moving the refrigerator so you don't damage the kitchen flooring. This is because it is the most common cause of major temperature changes in a refrigerator. To know more about compressor check, click here. And if the fridge goes on the repair mode, then it is a cause of concern. How to Test the Capacitor Using a Multimeter without Capacitance Settings; As some less expensive multimeters lack the capacitance settings, and if one of these is what you own, you can still conduct tests on your capacitors with them.. Like the multimeters with capacitance setting, you would first have to remove the capacitor from the circuit and ensure it is discharged. Wrong temperature control settings. Before replacing it by a new start relay, do the test to discover if it really is the part which has a problem. Now test the compressor shortage between compr.... terminals with compressor body like fridge compressor and if the meter shown no reading then compressor winding is not shortage with body and if it's shown the reading then it's means that compressor windings is shortage with compressor body.