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Fan Board

  • High-quality fan board PCB
  • Complete range of fan board
  • More than 10 years in fan board manufacturing experience
  • 24/7 tech support and live sales

How to replace the fan on the motherboard?

● Use a screwdriver to remove the four fixed pins on the corners of the Cpu cooling fan of the case

●Use your hands to pull up the four corners of the fan thermal fan pins.

●Use your hands to remove the fan heat fan and the power cable connected between the motherboard.

●After completing the above steps, you can use your hands to remove the computer host Cpu cooling fan above, so that the fan thermal fan disassembly is complete.

How to replace the fan on the motherboard?
How to choose Fan PCB?

How to choose Fan PCB ?

●choose a reasonable width of the wire. Minimize the inductance of the printed wire.

●use the correct wiring strategy .using equal alignment can reduce the wire inductance, the specific practice is the printed board on one side of the horizontal wiring, the other side of the vertical wiring, and then in the cross-hole with a metalized hole connected.

● in order to inhibit crosstalk between PCB board wires, as far as possible to pull the distance between the line and the line, the signal lines and ground and power lines as far as possible without crossing. set a grounded printed line between the signal lines, can effectively suppress crosstalk.

Application of Fan pcb

Fan PCBs are used in almost every corner of life, in which areas are they mainly used?
●Consumer Electronics:like laptops, computers andsmart phones,entertainment systems,electric fan.

●Medical equipment:electrical equipment such as solar panels and generators

●Automotive Manufacturing:Engine, car chassis

●New Energy:Wind Power Equipment

Application of Fan pcb

Venture fan board is mezzanine boards that provide a back panel, mechanical support, and cooling fan. We manufacture the highest quality fan board for the mainboard being used as a hardware accelerator.

Venture Electronics is a professional manufacturer and supplier of fan boards for more than 10 years in China.

To benefit from our 10 years’ experience, don’t hesitate to contact our expert team today!

Trusted Fan Board Manufacturer and Supplier in China

Are you looking for an expert fan board manufacturer and designer for your projects? You are in the right place! Venture Electronics has 10 years’ experience you can rely on.

We manufacture a wide array of a fan board that provides mechanical support, cooling fan, and a back panel for the mainboard.

Venture fan board was designed to be paired with any Venture mainboard. And these mainboards are PCIe8 LX, PCI GS, or PCI SS. Fan board can be paired with any mainboard if no other mezzanine board is needed for specific  I/O and functionality.

Our fan board carries the power to the fan modules and fan status LEDs. This board also transmits status and control signals for the fan modules.

Venture provides specialized consulting services and product design. We have a wide array of fan board to meet every engineers and scientists’ needs throughout the world.

Whether you are an electrical engineer, distributor, integrator, or maker looking for a high-quality fan board, Venture is your best choice! Venture offers reasonable cost and flexible payments without minimum orders required for your fan board.

For that reason, you can assure that Venture can always support your fan board needs!

For more than 10 years, Venture Electronics is dedicated to providing the most excellent services as a professional fan board supplier and manufacturer. 

We are capable of fan board manufacturing through our expert engineers and professional designer who allow us to provide you the highest quality fan board.

We also have an approachable customer service team. They will assist you with your inquiries so you can have a hassle-free transaction. 

When you choose Venture for your fan board needs, we ensure that you receive products that exceed expectations, along with the best customer support in the industry.

Contact us today!

Fan Board: The Ultimate FAQ Guide


If you have any question about fan board, you will find your answers right here.

Whether you want to learn about specifications, quality standards, troubleshooting, installation or testing fan boards, all your answers are right here.

Keep reading to learn more.

What is a Fan Board?

Fan board is a type of mezzanine board which provides a back panel, mechanical support, and a cooling fan.

You will install the fan board on the motherboard of your device to help in cooling the entire system from excess heat.

Fan Board

Fan Board

How Much Does a Fan Board Cost?

The cost of the fan board will vary depending on design and configuration.

Apart from that, the minimum order quantity also has a huge effect on the overall cost.

You will pay between 1 to 30 US dollars for a fan board.

It depends on the type of fan board you purchase.

You may get a discount on the fan board if you purchase them in bulk.

Moreover, the price of your board will also vary according to the quality of the fan board you purchase.

You will pay more for the high-quality fan board in comparison to the low-quality fan boards.

Which Specifications Do You Look at When Choosing a Fan Board?

You need to be very careful when choosing a fan board for various applications.

Here are some of the technical specifications you should consider before choosing a fan board.

Input Voltage

You will have to match the input voltage range of your fan board to the application requirements.

You need to be careful not to use a high input voltage on a fan board that requires low voltage inputs.

Maximum Operating Temperature

It is important to know the maximum operating temperature that your fan board will be operating at.

You will match the maximum operating temperature of your fan board with that of the application requirements.

For instance, you can purchase a fan board with maximum operating temperature range between -40ºF to +176ºF.

Maximum Operating Humidity

In this case, you will look at the relative humidity that the fan board will be operating at.

Your fan board can operate at a maximum operating humidity of 95% at non-condensing temperature of 50 degrees centigrade.

Time Delays

You should also have a look at the time delays that your fan board will be operating at.

You can have a fan board that operates within the following time delay specifications.

i. Heat ON – 60 seconds

ii. Heat OFF – between 60 and 200 seconds

iii. Cool OFF – 40 Seconds

What are the Safety Considerations When Installing the Fan Board?

You should also be very careful when you are installing the fan board on your device.

Installation of the fan board poses great danger especially because of the electrical and gas components.

You must consult the services of trained personnel to assist in the installation of the fan board.

Apart from that, you must also read the attached manuals on the fan board to get a clear direction.

You will also be in a better position if you wear safety or protective clothing around your eyes and body.

As soon as you begin the installation process, all the electrical power circuits must be switched off.

How Do You Install a Fan Board?

You can install the fan board after carefully considering the safety instructions.

Here is a step by step process that you can follow when installing your fan board.

Step One: Disconnecting the Wires

First, you will disconnect all the wires from the blower control centers.

You will eliminate the wiring between the two blower speed relays and then re-use it at a later stage.

You must also tag every wire that you disconnect for future reference during the installation process.

Step Two: Removing the Control Board

After that, you will expose the control board by removing it gently from its original position.

This will give you the proper space that you need to install the fan board and in the right position.

Step Three: Installing the Fan Board

As soon as you have the right installation point, you will proceed to installing the fan board at the right place.

Ensure that it holds firm at the right place and does not move about by either screwing or soldering it.

Finally, you will replace the wire to the right terminals and then test the machine by following the right guidelines.

Which Precautions Must You Take Before Troubleshooting a Fan Board?

Fan control board

Fan control board

Since we are still dealing with an electrical device, you can never be very careful.

You should take necessary precautions through every step that you take including troubleshooting the fan board.

You must be very careful and avoid tampering with the electrical circuit as it might result to injuries.

In that case, you have to disconnect the power by either opening the circuit or disconnecting the fuse from the device.

After that, you have to do a confirmation test and ensure that there is no power flowing through the device.

In addition to that, you should leave the troubleshooting process to people who have enough experience and knowledge.

How Do You Troubleshoot a Fan Board?

After carefully considering the safety precautions, you can proceed to troubleshooting the fan board.

You will troubleshoot the fan board to identify potential sources of problems within the fan board.

Here are some of the issues that you can identify through troubleshooting process.

Failing Inducer Fan

The inducer fan may fail to start on heat call due to wiring of the pressure switch.

You can solve this problem by checking the wiring of the pressure switch and fixing it.

Failing Blower

The blower on the fan board may fail to start during the heat call.

You can sort this problem by confirming that the limit switches and jumper wires are in the right place.

You should ensure that the ignition module on the fan switch is at the right point and power switch is ON.

Delays on the Blower Fan

Here, you will have to verify that there are no shorts on the test pins.

In case of a short circuit, you will have to replace some of the parts of the fan board.

Do You Provide a Warranty for the Fan Board?

Yes, you will receive a warranty on the fan board that you purchase.

Normally, you will receive a warranty that lasts for about a year.

The warranty period will, however, vary depending on the type of fan board that you purchase.

As a seller, you will provide a warranty on workmanship defects or materials defects for a particular time frame.

What are the Advantages of Fan Board PCB?

You should consider using the fan board because of the benefits that you will draw from it.

It helps in cooling the whole system and controlling the temperature of different devices.

Apart from that functional advantage, here are other benefits that you will enjoy.

Fan on PCB

Fan on PCB

High Durability Levels

You will also learn that the fan boards are highly durable and will never break down very easily.

It will serve you for a very long time before you think about making a replacement.

Highly Efficient

In addition to high durability levels, your fan board is also highly efficient at its services.

You must, however, match the right application requirements to the right type of fan board.


You can also choose on any type of fan board that you want as they are available in plenty.

Fan boards are available in different sizes and working capacities that will suit your application requirements.


You should consider having a fan board on your device because it is very affordable.

Apart from that, you can easily get the parts quite easily and at a very discounted price.

Easy to Operate

You don’t need to go through extensive training to understand how the fan boards really operates.

It is a very simple and easy device that you can simply operate by learning the basics of the fan board.

Easy to Clean and Maintain

You will also have an easy time cleaning and maintaining the fan board as it requires blowing off the dust.

The fan on the fan board can easily blow off the dust from the fan board thus limiting maintenance cost.

Simple Design

Fan boards have a very simple design and is also very light in weight allowing you to move it from place to place.

You will also have an easy time installing the fan boards because of its simple design.

What are the Quality Specifications of the Fan Board?

You have to make sure that you get the best quality of fan board that can serve you for a long period.

Here are the main quality specifications that your fan board must adhere to.

  • CE Quality Standards
  • AS9100 Quality Standards
  • Joint Supply Chain Accreditation Register (JOSCAR) Quality Standards
  • Underwriters Laboratory (UL) Quality Standards
  • ASTM standards

How Do You Reduce the Noise Produced by the Fan Board?

You should consider reducing the noise that the fan printed circuit boards produce since it is very irritating.

The fan noise usually becomes worse due to air obstruction near the outlet and the inlet of the fan board.

In that case, you need to limit the number of obstructions near the inlet and the outlet of the fan board.

Some of the obstructions that you should re-arrange include cables, filters, tall components and finger guards.

Apart from that, you can reduce the noise on the fan board by reducing the speed of the fan board.

Proportional fan speed will control and reduce the noise while working at very low temperatures.

How Do You Design Multiple Fans onto one Board?

Fan power board

Fan power board

You can design a fan board with multiple fans especially for a system that is too hot to increase flow or air.

In such a case, you might decide to design a multiple fan board with one fan blowing air into the system.

In addition to that, you will add another fan on your design which will exhaust the hot air from the machine.

You can have the series design for a system with very high resistance to flow of air since they are the most effective.

It will increase the pressure on the series fan connection but the free flow of air does not increase.

In a system with low air resistance, you will use a parallel fan configuration with fan blowing in one direction.

Here, the free flow of air will almost double but static pressure will remain constant without increasing.

You should also ensure that you position the fans well to maximize on the cooling ability of the fan board.

What is the Process of Testing a Fan Board?

There are quite a number of testing methods that you can use in testing the fan board.

Here are the main testing methods that you can employ.

  • In circuit Testing
  • Flying Probe Testing
  • Automated Optical Inspection
  • Burn in Testing
  • X-Ray Inspection
  • Functional Testing

Let us have a look at functional testing and how you can perform it on the fan board PCB.

You will use the functional testing to verify that the fan board will work well with very minimal hitches.

To perform this test, you will have to collect the following tools.

  • Fixtures
  • External pieces of equipment
  • Requirements for quality standards testing

In many cases, you will have to test the fan board in accordance to the requirements of your customer.

You will use an ECM to assist in the development and designing of the test.

It is a process that will take time so you must be very patient as it is the best test for quality and longevity.

What is the Best Material for Fan Board?

You will use different types of materials to make the fan board PCB.

The main conductive material that you will use is copper, tin, or aluminum among others.

Apart from the conductive materials, there are other materials you will use such as:

  • Prepreg (glass fabric that is coated and dried with resin)
  • Laminate (copper clad laminates)
  • Solder Mask (green epoxy circuit that will cover the board)
  • Final finish materials

How do you Fabricate PCB Fan Board?

You can fabricate the PCB fan board by going through the following step by step process.

Step One: Designing the PCB Fan Board

First, you must come up with a proper design of the PCB fan board that you need.

You must make sure that you include all the components of the PCB fan board during the designing process.

After that, you will proceed to printing out the design after approval from the main team.

Step Two: Substrate Creation

After that you will create the substrate which will hold the components on the fan board structure.

You will proceed to printing in the layers on a laminate which is the main body of the PCB fan board.

As soon as you complete the alignment process, you will harden it under ultra-violet rays.

Ensure that you remove the unwanted copper from the PCB fan board and then complete the process with proper inspection.

Step Three: Laminating the Layers

Depending on the number of layers, you will have to laminate them beginning with a prepreg epoxy resin.

After that you will place a layer of substrates and then a layer of copper foil.

Ensure that you press all the layers of the fan board together to adhere and clamp together before drilling and plating.

As soon as you complete that process, you will proceed to etching before you apply a solder mask.

Ensure that you mount all the components you need on the fan board and secure them accordingly.

Step Four: Surface Finish and Testing

Finally, you will apply the PCB surface finish on the fan board PCB before you proceed to testing.

If it passes the test, then you can proceed to packaging and distribution.

What are the available Surface Finishing Options for PCB Fan Boards?

You can use different types of surface finishes on the PCB fan board depending on application requirements.

Here are some of the surface finishing options that you can choose from.

  • Hot Air Solder Levels (HASL)
  • Lead Free Hot Air Solder Levels
  • Organic Solderability Preservative (OSP)
  • Immersion Silver (Au)
  • Immersion Tin (Sn)
  • Electroless Nickel Immersion Gold (ENIG)
  • Electrolytic Hard Gold
  • Electroless Nickel Electroless Palladium Immersion Gold (ENEPIG)
  • Electrolytic Wire Bondable Gold

How can you Mount Components on PCB Fan Boards?

You will mount the components of the fan board using a machine as it increases the speed and accuracy.

You can either use wave soldering to mount the components of the fan board.

This mounting process is very efficient and will allow to mount the components simultaneously.

It involves cutting off the leads of the components and slightly bending them thus keeping components in place.

After that, the machine will move the fan board over a liquid flux wave with the bottom part striking the flux.

This process will ensure that you eliminate any form of oxide on the metal parts of the fan PCB.

As soon as the temperatures are right, you will move the PCB over particular solders.

The solders will the attach to the components of the solder as well as the legs of the components to complete mounting.

Depending on the type of components, you can use through hole mounting technology or surface mount technology.

Do Fan Board PCB Require Conformal Coating?

Absolutely, it is very important to have conformal coating on the fan board PCB.

Having conformal coating on the fan board PCB will help in protecting the components of the fan board.

Conformal coating uses a thin polymeric film that will conform to the contours of the fan board.

It will ensure that the fan board operates at maximum efficiency while protecting it from potential damage.

How many Layers should Fan Board PCBs have?

Well, the number of layers that you should have on the fan board PCB will vary accordingly.

You can either have one-layer, double layers, or multiple layers on the fan board PCB.

The number of layers that you will have on the fan board PCB will depend on the type of application.

In a very complex device, you will have multiple layers of the fan board PCB.

On the other hand, simple devices will require one-layer or double layers of the fan PCB.

Which Conductive Material do you use on PCB Fan Board?

You can use different types of conductive materials on the PCB fan board with the most common one being copper.

Copper is the best conductive material that will conduct electricity as well as heat through the PCB fan board system.

Apart from copper, you can also use other conductive materials such as aluminum.

You will note that the performance of aluminum is not as good as that of copper thus making copper the best.

Which Components can you Mount on Fan Boards?

It is very important to know the main components of the fan board for easy replacements in case of a problem.

Here are the main parts of the fan board that you should pay close attention to:

· Power Connectors

This is the main part of the fan board that provides enough power for the purpose of operating the fan board.

It will control the amount of power that flows into the fan board thus powering the cooling operations.

· Mainboard Signal Collector

You will depend on the main board signal collectors to sense the heat within the main board and activate the fans.

It will help in the

· Management Signal Collector

You will depend on this unit to manage the signals from the sensors and control the operations of the fan.

In case the system is too hot, it will increase the speed and flow of air within the system to cool off the board.

· Fan Unit

This is the main unit in the system that draws in cool air when the temperatures are high.

Apart from that, it will draw out the hot air from the other side in a series connection of the fan board.

· Fan Board Covers

You will depend on the fan board covers to mask the fan int from any form of damage or debris from outside.

It has filters that will filter the incoming ventilation air and block them from entering the fan board system.

· Terminal Units

You will connect the wiring systems within the fan board using the terminal units on the fan board.

What are the Limitations of Fan Board PCB?

Well, despite the numerous benefits of using the fan board, you might come across some limitations.

Here are the main limitations of using the fan board.

· Noise Level

You might experience a certain degree of noise depending on the design, arrangement and operations of the fan board.

Operating the fan board at very high speed usually leads to an increase in the level of noise the fan board produces.

· Lack of Proper Ventilation Air

You might also experience an increase in the temperatures of the fan board due to lack of proper ventilation air.

You might have to use additional fan control units that will supply extra ventilation from the outside to cool the system.

In short, there are many factors you should consider before choosing fan board.

That’s why Venture Electronics team is here to help.

For any inquiries or questions on fan boards, contact Venture Electronics now.

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