Do you have any idea how I can fix it? Clicking sound coming from the starter . Look for burnt marks around the ports on the relay to see if it’s shorted. The PTC relay has a small metal piece inside that moves when there’s an electrical current running through it. 3 – Place the protective box again Fit the protective box and place the screws you have removed, to fasten it. Always check out the technical sheet of the compressor (click here and check out the electronic catalog of Embraco). wikiHow, Inc. is the copyright holder of this image under U.S. and international copyright laws. 2 – Fit the new relay With the new relay positioned, connect the correct wire in the output of the relay. ", "Very good write up. If it sounds like something rattles inside, the relay is damaged and needs replacing. You can buy replacement PTC relays from appliance specialty stores or online. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. The PTC relay starts the compressor inside the fridge to make cold air so your food stays cool. The first place you should check when your fridge isn't cold anymore (after making sure the power is turned on) is the PTC relay, which is easy to replace if there's a problem. At ambient temperature, the values should be near those presented in the list below: Relay PTC– Relay PTC 8EA 1B1X – 2.8 to 5.2 Ω; – Relay PTC 7M4R7XXX / 8M4R7XXX / 8EA14CX– 3.8 to 5.6 Ω; – Relay PTC 8EA4BX / 8EA3BX / 8EA21CX – 3.5 to 6.5 Ω; – Relay PTC 8EA5BX – 14 to 26 Ω; – Relay PTC 7M220XXX / 8M220XXX / 8EA17CX – 17.6 to 26.4 Ω.

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\u00a9 2020 wikiHow, Inc. All rights reserved. How to Test a Refrigerator Relay Switch.

On the PTC relay, all of the pairs at any combination read 10 ohms.

By using this site you are aware of the Terms of Use and Privacy Policy. She writes mainly home improvement, health and travel articles for various online publications. If the relay still works, you may also need to check the compressor to make sure it’s still functioning.

The starter relay is designed to redirect power from the battery to the starter solenoid, which then activates the starter to spin over the engine. Contact a repair person to take a look at your fridge to further diagnose the problem. Move the refrigerator out from the wall to access the rear of the appliance. Pay attention to not take the wire, but the connector. wikiHow is where trusted research and expert knowledge come together. The compressor is what creates the cold air that keeps your refrigerator cold. Do the test with a multimeter. © Copyright 2020 Hearst Communications, Inc. "Very helpful instructions.

Thanks to all authors for creating a page that has been read 191,601 times. Test the solid state relay by shaking it. To find out how to replace your PTC relay, keep reading! Pull it from the terminal box, disconnecting the two female terminals from the stationary male terminals inside the box.

This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. Disconnect the refrigerator power cord from the wall receptacle. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. The thermostat inside the refrigerator tells the compressor when to turn on and turn off to maintain safe cooling levels. When the temperature inside the refrigerator rises above the current thermostat settings, the thermostat sends an electrical signal to the relay switch to start the compressor. I unplug it and plug it right back in and it runs great for another 24 hours. This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. The relay will always be in the two pins above and the thermal protector in the pin below. The analog multimeter needle should sweep to the far right of the display; a “0” should appear on the digital display. Test the refrigerator relay switch to determine if it needs replacing. Why do I keep getting defective PTC relay on my refrigerator? By continuing to use this site you agree to our use of cookies. This image is not<\/b> licensed under the Creative Commons license applied to text content and some other images posted to the wikiHow website. How do you know if your refrigerator relay is bad? This image may not be used by other entities without the express written consent of wikiHow, Inc.
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\u00a9 2020 wikiHow, Inc. All rights reserved. The material on this site may not be reproduced , distributed, transmitted, saved or used without explicit permission of the Refrigeration Club Edition. If the reading on the meter is above 1 ohm or remains unchanged, it may be time for a replacement. How to Replace a GE Side by Side Refrigerator Light Mechanism, How to Replace Non Polarized Wall Outlets, How to Fix a Door That Won't Lock on a Self-Cleaning Oven, Appliance Outlet: Refrigerator Troubleshooting Guide, Acme How To: How to Test the Compressor Relay, Appliance-Repair-It.com: Refrigerator Not Cooling, How to Get the Cover Off of a Refrigerator Relay Switch, How to Tell if the Relay Switch on a Fridge Is Bad, How to Troubleshoot a Wall Switch for a Ceiling Fan, How to Troubleshoot a Dryer's Thermal Cutoff Switch, How to Know if a Whirlpool Oven Sensor Is Bad.

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