How Does a Cooling Fan Relay Work?

Most of us know that fans are the most common things to use for the air conditioning of the rooms. Fans are used in almost all places and for every purpose, from office to home, from home to the garden, etc.

We all know that fans work in different ways but it is a fact that we don’t know exactly how they work. But today, I am going to share with you some important facts about the fan relay which will let you know why a fan relay works and how it works.

Fan Relay and its Functions

The fan relay is the most common component in the AC system and it consists of a motor, a fan, a switch, an ignition switch, a thermostat, and some wires. The main function of a fan relay is to switch the power on and off to the fan motor.

A fan relay will work in a way that when the ignition key is turned ON then the switch will connect the wires to the fan motor and when the key is turned OFF then the switch disconnects the wires from the fan motor.

There are two types of fan relays, the first one is the contact relay and the other is the electronic relay. The first one is the basic type of fan relay and it is very cheap but it has some disadvantages. The other one is the electronic fan relay and it is expensive but it is also the best one.

How To Know If Your Fan Relay Is Bad

We all are aware that fans are used for cooling the room and keeping our room cool. But if you want to know whether your fan relay is working properly or not then you need to use this guide.

Fans are usually used to cool the room and to keep it cool, but sometimes you may feel that the fan is not running properly. If you are facing this problem then you should know how to fix this problem.

The fan relay is a device that is responsible for the power of the fan. If this device is damaged then the fan won’t work and you will have to replace it. The damage might be caused by overheating of the fan relay, the overload of the fan relay, or something else.

What is the solution?

The best way to solve this problem is to replace the fan relay. You need to buy a new one and install it. But before installing it you need to check if the fan relay is working properly.

So, if you are facing this problem then you should check if the fan relay is working properly. Here are the steps to check if the fan relay is working properly:

Remove the fuse and the switch

The first thing that you need to do is to remove the fuse and the switch of the fan relay. You can do it by yourself or you can ask for help. If you are facing any kind of problem then you can call the technicians.

Check the voltage of the fan

The next thing that you need to do is to check the voltage of the fan. You need to touch the fan with a volt meter. If the voltage is high then the fan relay is not working properly. If the voltage is low then you need to change the fan relay.

Check the continuity of the fan

The next thing that you need to check is the continuity of the fan. You need to connect the fan directly to the battery and check if the fan is working properly. If it is working then you need to check the continuity of the fan.

This is the guide to know how to check if the fan relay is working properly.  

How To Test A Cooling Fan Relay

Cooling fans can be used to maintain the temperature of the room, but they will also work as an air conditioners if you are not aware of their functionality.

There is an electric fan that can make your room cooler, but it is important to test the fan and check its functionality of it. Before you buy a cooling fan, make sure that you know how to test the relay. There are various types of relays, so let’s see how to test a cooling fan relay.

Testing the relay is very easy. You need to disconnect the power source and then connect it to the relay. If you get an electrical shock, then it means that the fan is faulty and needs to be replaced.

If there is no shock, then it means that the relay is working fine and you don’t need to replace the fan.

By testing the cooling fan relay, you will be able to know whether it is working fine or not.

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