Why Wont My Dewalt Air Compressor Turn On?

If you’re experiencing trouble starting up your Dewalt air compressor, you’re not alone. Understanding the reasons behind this issue and how to troubleshoot it can save you time and frustration. This article will delve into the common issues that can prevent a Dewalt air compressor from turning on and provide practical solutions to get it up and running again.

As a trusted brand in power tools and equipment, Dewalt is known for its reliability and performance. However, even the most well-built machines can encounter operational hiccups. By identifying the potential culprits behind your air compressor’s non-starting behavior and following the recommended steps, you can quickly diagnose and resolve the problem. Whether you are a DIY enthusiast or a professional contractor, mastering the know-how of troubleshooting your Dewalt air compressor will ensure seamless operations and prolonged equipment lifespan.

Common Causes of Power Failure

In the section “Common Causes of Power Failure,” we will examine the potential reasons why your Dewalt air compressor may not turn on. One common cause of power failure is a tripped circuit breaker or blown fuse. Check the breaker panel or fuse box to ensure the circuit supplying power to the air compressor is functioning properly. Another potential cause is a faulty power cord or plug. Inspect the cord for any fraying or damage, and ensure that the plug is securely connected to the power source.

Additionally, an overheated motor or thermal overload protection may cause the air compressor to shut off as a safety measure. Allow the motor to cool down and reset any thermal overload switches before attempting to turn on the compressor again. Lastly, low voltage or inadequate power supply can also prevent the compressor from starting. Ensure that the power source meets the requirements specified in the compressor’s manual. By addressing these common power failure issues, you can troubleshoot why your Dewalt air compressor won’t turn on.

Troubleshooting the On/Off Switch

When troubleshooting the on/off switch of your Dewalt air compressor, start by checking the power source. Ensure that the compressor is plugged into a working outlet and that the circuit breaker has not been tripped. Next, inspect the on/off switch for any visible damage or loose connections. If the switch appears to be in good condition, it could still be faulty, and you may need to test it using a multimeter.

Another possible cause of the issue could be a buildup of dust or debris around the switch, hindering its functionality. In this case, carefully clean the switch to remove any obstructions. Additionally, check the wiring connections to the switch to ensure they are secure and free from corrosion. If all these checks do not resolve the problem, it may be necessary to consult a professional to diagnose and repair any underlying electrical issues with the compressor.

Examining the Power Cord and Outlet

Examining the power cord and outlet is crucial when troubleshooting why your Dewalt air compressor won’t turn on. Start by checking the power cord for any visible signs of damage, such as fraying or cuts. If the power cord is damaged, it may be preventing the compressor from receiving the necessary power to turn on. In such cases, it’s important to replace the power cord with a new one to ensure safe and proper functioning.

Next, inspect the outlet that the air compressor is plugged into. Ensure that the outlet is providing power by testing it with another electrical device. If the outlet is not functioning, it may be a problem with the circuit or the outlet itself. In this case, consult with a certified electrician to resolve any issues with the electrical supply to the compressor.

Additionally, make sure the power cord is securely plugged into the outlet and the air compressor. Loose connections may prevent the compressor from receiving power. By thoroughly examining the power cord and outlet, you can troubleshoot and identify any issues that may be preventing your Dewalt air compressor from turning on.

Checking the Motor and Capacitor

Checking the Motor and Capacitor

If your Dewalt air compressor won’t turn on, the problem could lie with the motor or the capacitor. First, inspect the motor for any visible signs of damage such as overheating, burnt wires, or excessive dust accumulation. If the motor appears to be in good condition, the next step is to check the capacitor. Start by discharging any stored electricity in the capacitor to ensure safety, then visually inspect the capacitor for bulges, leaks, or any other signs of damage.

After visual inspection, you can use a multimeter to test the continuity of the motor windings and the capacitance of the capacitor. If the motor windings show no continuity or the capacitor has significantly lower capacitance than specified, they may need to be replaced. It’s important to ensure that any electrical testing is done by a qualified technician to avoid the risk of electric shock. If the motor and capacitor check out fine, the issue may lie elsewhere in the compressor’s electrical system.

Understanding the Pressure Switch Operations

Understanding the pressure switch operations is crucial for troubleshooting a Dewalt air compressor that won’t turn on. The pressure switch is responsible for controlling the motor’s operation based on the air pressure in the tank. When the tank’s air pressure drops below a certain level, the pressure switch signals the motor to turn on and re-pressurize the tank. If the switch is malfunctioning, it could be preventing the compressor from turning on.

To understand the pressure switch operations, first, locate the switch on the compressor. It is typically connected to the tank and has electrical wires running to it. Check the switch for any visible signs of damage or wear. Next, use a multimeter to test the switch’s continuity and ensure that it is functioning properly. Additionally, make sure the switch’s adjustment settings are correct according to the manufacturer’s guidelines. If the pressure switch is found to be faulty, it may need to be replaced to resolve the issue and get the air compressor running again.

Understanding how the pressure switch operates and performing the necessary tests can help diagnose and resolve issues related to the compressor not turning on. Always refer to the manufacturer’s instructions and seek professional assistance if needed.

How Loud Is Dewalt Air Compressor?

The Dewalt air compressor has an operational noise level of 78 dBA, which has been tested per ISO3744. This noise level is measured to provide a quieter work environment, making it suitable for use in areas where noise reduction is important. The 78 dBA noise level indicates that the Dewalt air compressor emits a moderate level of noise during operation, which can help minimize disruptions and maintain a comfortable working atmosphere.

Are Air Compressor Parts Interchangeable?

Yes, air compressor parts from brands like Ingersoll Rand, Chicago Pneumatic, RolAir, Jenny (Emglo), and Campbell Hausfeld can be interchangeable to a certain extent. Common parts such as check valves and filters are often interchangeable between these popular compressor brands. However, for many other parts, such as specific components and fittings, they are likely to be specifically designed for that particular air compressor. It is important to carefully check compatibility and consult the manufacturer’s specifications to ensure the interchangeability of parts.

Does Dewalt Air Compressor Take Oil?

Yes, the Dewalt air compressor does require oil. The company recommends using DEWALT synthetic compressor oil in their compressors. However, they also allow the use of any brand of synthetic compressor oil. If you must use a different type of oil for a short period of time, DEWALT recommends using a 30 weight non-detergent oil as an alternative.

Is There A Reset Button On A Dewalt Air Compressor?

Yes, Dewalt air compressors are typically equipped with a reset button. To use it, follow these steps: first, allow the motor to cool down, then make sure the power switch is turned off, and finally, locate and press the reset button on the motor. This should reset the motor and allow the compressor to function properly again. Always consult the user manual for specific instructions related to your model of Dewalt air compressor.

What Causes The Compressor Not To Come On?

The compressor may not come on due to several reasons including dirty condenser coils, blocked suction lines, low refrigerant charge, or an incorrect suction line size. Dirty condenser coils can inhibit heat transfer and cause the compressor to overheat, leading to a shutdown. Blocked suction lines restrict the flow of refrigerant to the compressor, causing it to malfunction. Low refrigerant charge can also prevent the compressor from operating properly, as it relies on the right amount of refrigerant to function. Additionally, an incorrect suction line size can result in improper refrigerant flow, affecting the compressor’s performance. Therefore, addressing these issues, such as by cleaning condenser coils, clearing blocked suction lines, or ensuring the correct refrigerant charge and suction line size, can help resolve compressor issues.

How Long Does The Dewalt Cordless Air Compressor Last?

The Dewalt 60V MAX* FLEXVOLT 2.5 Gallon Cordless Air Compressor offers impressive runtime on a single battery charge, allowing for up to 1,220 nails to be driven. This provides users with the ability to complete a variety of pneumatic applications without needing to constantly recharge the battery. The cordless design adds convenience and portability, making it an ideal choice for on-the-go projects. Overall, the Dewalt cordless air compressor lasts for an extended period on a single charge, allowing users to work efficiently without interruptions.

What Max Psi Do I Need For Air Compressor?

For most compressed air equipment, a maximum pressure of 90 – 100 psi (6 – 7 bar) is sufficient. Therefore, a compressor with a maximum pressure of 7 bar is typically suitable for the majority of applications. However, for specific needs or applications that require higher pressure, such as 15 or 30 bar, a compressor with a higher maximum pressure would be necessary. It’s important to consider the specific requirements of your equipment and applications when determining the maximum psi needed for an air compressor.

Verdict

In troubleshooting issues with your Dewalt air compressor, it’s essential to consider all possible causes to determine why it won’t turn on. By carefully inspecting the power source, pressure switch, and motor, you can identify and address the problem effectively. It’s also crucial to follow manufacturer guidelines for maintenance and care to ensure optimal performance and longevity of your air compressor.

Remember, safety should always be a priority when diagnosing and repairing any electrical equipment. If you are unable to diagnose the issue yourself, seeking professional assistance is advisable to avoid potential safety hazards and prevent further damage to the compressor. By staying proactive and thorough in your approach, you can maintain the functionality of your Dewalt air compressor for smooth and reliable operation in your professional or personal tasks.

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