Equally big: the job of testing the things out to figure out which ones are worth the money. Warm, it will be open (no continuity) and cold, it will be closed (continuity).
To pull off this frosty feat, a refrigerator uses five major components:

Black probe stays in the middle slot. The refrigerator in your kitchen is likely the biggest and most expensive appliance you own. A special coolant called a refrigerant functions in a refrigerator the way alcohol works on your skin, except in a refrigerator, the coolant is trapped inside a series of coils. The compressor is the heart of the refrigerator's hermetically sealed refrigerant system. After all, a refrigerator is a large focal point in any kitchen. You can test warm and cold as indicated above. components (compressor, evaporator, condenser) and then on a whole refrigeration system (room air conditioner). The compressor is the most expensive component to … 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. At least one pair, but maybe two, should produce a reading of infinity. In this test, one of the pairs of terminals should produce a reading of continuity. Use your multitester and test the terminals again in the same manner as in the preceding paragraph. As it makes a circuit through them, it changes back and forth from a liquid to a gas. The defrost thermostat can be tested by inserting the red probe in the white/pale green wire to the left.

Find your refrigerator's timer switch and turn it in a clockwise motion until it clicks.

2. How to Troubleshoot Fridge Compressors. How we test refrigerators When choosing a new appliance, the overall aesthetic is definitely something to consider. Carefully disconnect the wires with a pair of pliers, and then remove the relay by pulling it off of the prongs on the compressor.

TESTING OF A COMPRESSOR 2.1 Test bench description The example presented hereafter concerns the test of a hermetic scroll compressor, supplied …