How To Repair Refrigerator Compressor Relay

With the relay upside down place one probe on the l terminal and the other probe on terminal labeled m.

How to repair refrigerator compressor relay. You may hear knocking noises or a whoosh sound as the power shuts off. Do these tests for compressor. Next push or flex the metal box in the lower right rear of your refrigerator to disengage it. Remove the connectors of the relay remove the protective cover of the compressor and remove the relay.

Here we show you how to test you relay on the compressor and for a short in the compressor when the compressor won t come on but everything else is running. Pay attention to not take the wire but the connector. It could be the compressor expensive but before you call the repair service try these simple repairs. Then press on the relay itself and pull it out to remove it from the refrigerator.

Note if there are signs of corrosion in the relay if this is the case opt to replace it. Reattach the wires onto the matching ports of the relay so it can turn on your compressor again. You can buy replacement ptc relays from appliance specialty stores or online. With pliers preferably needle nose pliers take the connector of the wire and remove the relay.

They usually cost anywhere between 20 80 usd. Also if the compressor uses a capacitor it must be discharged first to avoid the risk of electrical shock. Once it s removed you should see the refrigerator relay system. The multitester should display a reading of zero ohms.

The most common reason for replacing this part is if it. These are a universal set of relays you can use in place of the factory relays installed on your compressor. Before testing a compressor relay unplug the refrigerator to avoid an electrical shock hazard. Plug the refrigerator back in to make sure the new relay works before screwing on the back panel.

Use a flathead screwdriver to press down on the space between the relay and its casing. The cover is held on by tension or with a retaining clip. Leave the refrigerator unplugged for a few minutes. The problem may just be a bad overload or compressor relay.

Refrigerator start relay wiring diagram refrigerator start relay wiring diagram every electric structure is made up of various diverse parts. Turn the relay over and the reading will stay the same zero ohms. The compressor relay can be accessed by removing the terminal cover box.