The Shake and Rattle Test Unplug the start relay from the compressor and give it a shake. If you can hear rattling on the inside of the start relay, then the part is bad and will have to be replaced. If it’s not rattling and appears to be in good condition, you may have a problem with the actual compressor.

How do I know if my refrigerator relay is working?

Step 1: With the relay in any position, check if there is continuity between terminals 1 and 2 of the relay. If there is not, change the relay. Step 2: With the relay in the vertical position, coil of the relay upwards, check if there is continuity between terminals 1 and 3 of the relay.

Why is my refrigerator making a rattling sound?





If your refrigerator is making a rattling noise, it could be part of normal operations caused by the compressor or condenser fan. However, if the rattling noise is excessive and irritating, the rattling is most likely caused by either the drain pan, condenser fan blades, defrost timer, or compressor.

Can you bypass start relay on refrigerator?

You must make use of a flathead screwdriver to press down on the area between the relay and its container. Next, press on the relay itself and drag it out to disengage it from the refrigerator.

What does a start relay do in a refrigerator?

Start Your Repair Here

The overload relay is a protection device used in the compressor circuit on your refrigerator. Power is applied to the compressor motor windings through the overload device, and the relay is used to add the start winding in the circuit until the compressor is at running speed.

How do you test a start relay?





Set your multimeter to be on the Ohms scale. Place one probe on the lead on the ignition circuit terminal and the other on the ground lead. The reading should be less than 5 Ohms. If it’s more than that, the starter relay is faulty and needs to be replaced.

How do I know if my compressor relay is bad?

If your refrigerator hums loudly, dims the lights, trips a circuit breaker or blows a fuse every time it tries to start, the problem may be a malfunctioning start relay on the compressor.

How do I fix my fridge rattling?

Check Drain Pan

Condensation is actually water that drips off the condenser coils. What often causes a rattling noise is the drain pan. And the sound is not a cause for alarm – it means your fridge is working properly and only if the noise is more then you should check the drain pan.

Why is my Whirlpool fridge rattling?



Rattling/Vibrating Noise

Rattling or vibrating sounds may result from one or more of the following: Flow of refrigerant through the cooling system. Flow of water through the water line. Items stored on the top of the refrigerator.

What causes a refrigerator relay to go bad?

An electrical surge can be one reason that a relay will fail and overload. The inability of the wires to handle electrical loads is limited. This is known as its resistance. When the resistance of the wire impedes the electrical current, the wires can become hot and begin to melt.

What happens when a relay fails?



If your starter relay has gone bad, the electrical signal will never make it from the battery to the starter motor. As a result, your engine won’t turn over – no matter how many times you turn the key. A faulty relay often produces an audible clicking sound when you turn your car.

Do relays fail often?

During the use of the relay, due to various reasons, such as poor product quality, improper use, poor maintenance, etc., various failures often occur.