Treadmills are designed with a variety of moving parts and electronics. Every part must work together for proper treadmill function. At the center of the treadmill function is the power board -- commonly referred to as the control board. The power board is responsible for transferring the power from the power outlet to the treadmill motor that ultimately propels the running belt. Understanding the individual parts of the power board can help you understand the overall function of the treadmill along with assisting you in the event of a repair.
Function
The parts and general design of the treadmill power board, or motor control board function to control various treadmill features. One of the most important functions is to control the speed sensor that adjusts the speed of the running belt. Different treadmill models will use different parts for the power board depending on the features and function of the treadmill.
Circuits And Fuses
A series of circuits and fuses work together and communicate on the treadmill power board. Each individual fuse and circuit is responsible for different functions as they come together for the overall performance of the treadmill. Within each circuit, a series of resistor and diodes control the flow of electricity through the circuits. At times, individual fuses will be tripped or blown if a problem occurs in the motor, display console, power supply or other electronic component.
Lights And Wires
Power boards also consist of a series of lights and wires. These parts are designed to allow you to test the function and performance of the different circuits. Most of the test lights on power boards are located under the motor hood. The lights and other electrical parts on the power boards contain insulated wires to control the flow of electricity.
Repairs
Repairing and installing replacement parts on power boards is an easy process to perform, but specific safety precautions must be taken. Always unplug the power cord to the treadmill as electricity may still be electricity in the motor as you are testing the lights or replacing the fuse. Some of the parts in the power board may be covered by a limited warranty that could result in the manufacturer replacing the part or power board.
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