Atlas Copco Air Compressor Troubleshooting PDF: Power Up Your Repairs

In a troubleshooting guide for Atlas Copco air compressors, the most common reason for insufficient pressure is a defective reed valve. Other possible issues include a lack of electrical power and insufficient air pressure.

Checking the power supply, breakers, pressure regulator valve, and flow control valve can help identify and resolve these problems. It is also important to check for clogged filters, pinches in hoses, and air or fluid leaks. Additionally, checking fuses, power wire connections, and voltage supply can help ensure the electric system is functioning properly.

For a comprehensive guide on troubleshooting Atlas Copco air compressors, refer to the company’s manual.


Understanding The Basics Of Atlas Copco Air Compressors

An air compressor is a vital piece of equipment in various industries, playing a crucial role in powering tools and machinery. One brand that has become a trusted name in the industry is Atlas Copco. Atlas Copco air compressors are known for their durability, quality, performance, and efficiency.

Different Types Of Air Compressors

Atlas Copco offers a diverse range of air compressors to cater to different industry requirements. Here are some of the popular types:

  1. Reciprocating Air Compressors: These compressors use pistons to compress the air and are suitable for light- to medium-industrial applications.
  2. Rotary Screw Air Compressors: Known for their high-performance capabilities, these compressors use two rotors to compress the air.
  3. Piston Air Compressors: Ideal for small-scale applications, these compressors are reliable and offer continuous duty cycles.
  4. Oil-Free Air Compressors: These compressors are designed to deliver clean and dry air, making them suitable for industries that require oil-free air, such as food and beverage, pharmaceuticals, and electronics.

Role Of Air Compressors In Various Industries

Air compressors play a crucial role in various industries, ensuring smooth operations and efficiency. Here are some of the key industries where air compressors are used:

  • Manufacturing: Air compressors power pneumatic tools used in manufacturing processes, such as cutting, drilling, and spraying.
  • Automotive: In the automotive industry, air compressors are used to power air tools, inflate tires, and operate pneumatic equipment.
  • Construction: Air compressors are essential at construction sites for powering jackhammers, nail guns, and other heavy-duty tools.
  • Medical: In medical applications, air compressors are used to provide clean and dry compressed air for instruments, ventilators, and other medical equipment.
  • Food and Beverage: Air compressors are critical in maintaining quality standards in the food and beverage industry, providing clean and oil-free compressed air for processes such as packaging and bottling.

Understanding the basics of Atlas Copco air compressors and their different types can help industries choose the right compressor for their specific needs. The reliability and efficiency of Atlas Copco compressors make them a preferred choice for businesses across various sectors.

Common Issues And Troubleshooting Methods For Atlas Copco Air Compressors

Atlas Copco air compressors are known for their durability and efficiency. However, like any mechanical equipment, they can experience issues from time to time. It’s important to identify and address these issues promptly to ensure optimal performance and prevent costly breakdowns. In this blog post, we will discuss some common issues that may arise with Atlas Copco air compressors and provide troubleshooting methods to help you resolve them.

Insufficient Pressure In The Air Compressor

One of the most common issues faced by Atlas Copco air compressors is insufficient pressure. If your compressor is unable to reach the desired pressure levels, it could be due to a defective reed valve. This valve can exhaust air from the air inlet, resulting in reduced pressure. To resolve this issue, you can follow these troubleshooting steps:

  1. Inspect the reed valve for any signs of damage or wear.
  2. If the reed valve is defective, replace it with a new one.
  3. Check the intercooler safety valve in the case of a two-stage piston compressor.

Identifying And Fixing Air Leaks

Air leaks can significantly impact the performance of an air compressor. They can lead to reduced pressure, increased energy consumption, and even damage to the compressor. To identify and fix air leaks in your Atlas Copco air compressor, you can follow these troubleshooting methods:

  • Inspect all connections, pipes, and fittings for any signs of leakage.
  • Use a soapy water solution to detect air leaks. Apply the solution to the suspected areas and look for bubbles.
  • Tighten loose connections and fittings.
  • If a pipe or fitting is damaged or corroded, replace it.

Dealing With Compressor Failure To Start

If your Atlas Copco air compressor fails to start, it can be frustrating and disrupt your workflow. Here are some troubleshooting steps to address this issue:

  1. Check the power button and switch to ensure they are properly turned on.
  2. Inspect the circuit breaker and reset it if necessary.
  3. Ensure that the compressor has sufficient air pressure for the cut-in pressure. If not, adjust the pressure settings accordingly.
  4. If the issue persists, consult the manufacturer’s manual or contact a professional technician for further assistance.

Addressing Pneumatic System Malfunctions

A malfunctioning pneumatic system can hamper the performance of your Atlas Copco air compressor. To address pneumatic system issues, you can follow these troubleshooting methods:

  • Check the pressure regulator valve to ensure there is sufficient pressure.
  • Inspect the flow control valve and adjust it if it is excessively choked.
  • Clean or replace the air filter if it is clogged.
  • Inspect the hoses for pinches or kinks and replace them if necessary.
  • Check for air or fluid leaks and repair as needed.

By following these troubleshooting methods, you can effectively resolve common issues that may arise with your Atlas Copco air compressor. Remember to consult the manufacturer’s manual or seek professional assistance if needed. Regular maintenance and prompt troubleshooting can help prolong the lifespan of your air compressor and ensure its optimal performance.

Tools And Equipment Needed For Troubleshooting

Essential Tools For Troubleshooting Air Compressors

When it comes to troubleshooting an Atlas Copco air compressor, having the right tools on hand is essential. These tools will help you identify and address any issues that may be preventing your air compressor from functioning optimally. Here are the essential tools you will need:

  • Multimeter: A multimeter is a versatile tool that can measure voltage, current, and resistance. It will help you diagnose electrical issues and ensure that all connections are functioning correctly.
  • Pressure gauge: A pressure gauge is used to measure the air pressure output of the compressor. It will help you determine if the compressor is producing the required pressure levels.
  • Drain valve wrench: The drain valve wrench is necessary for opening and closing the drain valve. This tool ensures that you can easily drain any accumulated moisture from the tank.
  • Socket set: A socket set will be useful for accessing and removing various components of the air compressor, such as filters, valves, and fittings.
  • Adjustable wrench: An adjustable wrench is handy for loosening or tightening bolts and fittings.
  • Screwdriver set: A set of screwdrivers, both flathead and Phillips, will allow you to remove and replace screws and connectors.

Recommended Safety Equipment For Troubleshooting

Safety should always be a priority when working with any machinery, including air compressors. To protect yourself and prevent accidents, make sure to have the following safety equipment:

  • Safety glasses: Safety glasses will shield your eyes from any debris or particles that may fly during troubleshooting.
  • Ear protection: Air compressors can be noisy, especially during troubleshooting. Wearing ear protection will help prevent hearing damage.
  • Protective gloves: Wearing protective gloves will safeguard your hands from potential injuries and provide a better grip when handling tools and components.
  • Respirator mask: Some air compressors may release fumes or dust particles. A respirator mask will protect your lungs from inhaling any harmful substances.
  • Non-slip footwear: Ensure that you are wearing sturdy, non-slip footwear to prevent slips, trips, and falls in the workshop environment.

With these essential tools and safety equipment at your disposal, you can confidently troubleshoot your Atlas Copco air compressor and resolve any issues that may arise. Remember to always follow proper safety guidelines and consult the manufacturer’s manual for specific troubleshooting instructions.

Step-by-step Troubleshooting Guide For Atlas Copco Air Compressors

When it comes to maintaining and troubleshooting Atlas Copco air compressors, having a step-by-step guide can be incredibly helpful. Whether you’re a seasoned technician or a DIY enthusiast, following a systematic approach ensures that you can quickly identify and resolve any issues that may arise with your compressor. In this guide, we will walk you through the troubleshooting process, focusing on key areas such as checking power supplies and switches, assessing air pressure levels, inspecting valves and filters for damage or blockage, and cleaning and maintaining the compressor system.

Checking Power supplies And Switches

One of the first steps in troubleshooting an Atlas Copco air compressor is to check the power supply and switches. This ensures that the compressor is properly connected to a power source and that there are no issues with the electrical components. Start by visually inspecting the power cord for any damage, fraying, or loose connections. If you notice any issues, replace the power cord as necessary. Next, check the circuit breaker or fuse box to make sure that the circuit hasn’t tripped or blown. Reset the breaker or replace the fuse if needed.

Assessing Air Pressure Levels

The next step in troubleshooting an Atlas Copco air compressor is to assess the air pressure levels. Insufficient air pressure can affect the performance and efficiency of the compressor. Start by checking the pressure gauge on the compressor’s control panel. It should indicate the current pressure level in PSI (pounds per square inch). Compare this reading to the recommended operating range specified in the compressor’s manual. If the pressure is too low, the compressor may have a leak or a problem with the pressure regulator valve. If the pressure is too high, the pressure relief valve may be faulty, or the regulator valve may be set incorrectly.

Inspecting Valves And Filters For Damage Or Blockage

To ensure proper airflow and prevent damage to the compressor, it is important to regularly inspect the valves and filters for any signs of damage or blockage. Start by visually inspecting the intake and discharge valves for any cracks, wear, or debris. If you notice any issues, replace the valves as necessary. Next, check the air filters for any accumulation of dirt or debris. Clean or replace the filters if needed. It is also important to inspect the drain valve to ensure it is functioning properly and that there is no accumulation of condensate.

Cleaning And Maintaining The Compressor System

Regular cleaning and maintenance are essential for the longevity and optimal performance of your Atlas Copco air compressor. Start by cleaning the exterior of the compressor with a cloth or brush to remove any dust or dirt. Next, inspect the belts, pulleys, and hoses for any signs of wear or damage. Replace any worn-out components as necessary. It is also important to check the oil level and quality in the compressor’s lubrication system. Follow the manufacturer’s instructions for changing the oil and filter, and make sure to use the recommended oil type.

Preventive Maintenance And Best Practices To Avoid Common Issues

Regular inspection and cleaning schedules:

To ensure the optimal performance of your Atlas Copco air compressor and prevent common issues, it is crucial to establish regular inspection and cleaning schedules. This helps in identifying any potential problems early on and prevents dirt, debris, or dust from accumulating and affecting the compressor’s functionality. Regular inspections should include checking for any leaks, loose connections, or signs of wear and tear. Cleaning should involve removing any accumulated dirt or debris from the compressor’s exterior and ensuring proper ventilation to prevent overheating.

Importance of lubrication and oil changes:

Lubrication is a vital aspect of preventive maintenance for your Atlas Copco air compressor. Proper lubrication ensures smooth operation, reduces friction, and extends the lifespan of various components. Regularly lubricating the compressor’s moving parts, such as bearings, pistons, and crankshafts is essential. It is important to follow the manufacturer’s guidelines on the type of lubricant to use and the recommended frequency of oil changes. Neglecting proper lubrication can lead to increased wear and tear, decreased efficiency, and potential breakdowns.

Proper storage and transportation of the compressor:

To avoid common issues and ensure the longevity of your Atlas Copco air compressor, it is crucial to store and transport it correctly. Improper storage or transportation can result in damage to the compressor, leading to performance issues and the need for repairs. Ensure that the compressor is stored in a clean and dry area, away from moisture and extreme temperatures. When transporting the compressor, secure it properly to prevent any physical damage or vibrations that could affect its components.

Frequently Asked Questions

How Do I Reset My Atlas Copco Air Compressor?

To reset your Atlas Copco air compressor, follow these steps: 1. Check the power button and switch. 2. Verify the electrical power source and circuit breaker. 3. Ensure sufficient air pressure and check for leaks. 4. Clean or replace the filter if needed. 5. Inspect hoses for pinches or blockages. 6. If troubleshooting doesn’t resolve the issue, consult the troubleshooting guide or contact Atlas Copco for further assistance.

Why is my air compressor not making air?

The most common reason for an air compressor not making air is a defective reed valve. This valve can exhaust air out of the air inlet in single-stage models or through the intercooler safety valve in two-stage piston compressors. Check the valve and replace it if necessary.

What Is the First Step In Troubleshooting An Air Compressor Failure?

The first step in troubleshooting an air compressor failure is to check the power button, switch, and breakers for any issues. Additionally, ensure that the air compressor has sufficient air pressure to meet the cut-in pressure.

Why is my air compressor pneumatic system not working?

If your air compressor pneumatic system is not working, check the pressure regulator valve for sufficient pressure and the flow control valve for any blockages. Replace a clogged filter and clean out contaminants. Look for pinches in the hoses, and check for air or fluid leaks.

Why is my air compressor not building pressure?

The most common reason for low pressure is a defective reed valve or a clogged filter. Check for leaks, and clean or replace faulty parts.


To troubleshoot your Atlas Copco air compressor effectively, it is crucial to follow the right steps. Start by checking the power supply and ensuring that all connections are secure. Next, inspect the pressure regulator valve and clean or replace any clogged filters.

Look for pinches in hoses and check for any air or fluid leaks. By following these troubleshooting guidelines, you can keep your compressor running smoothly and efficiently. Explore the comprehensive guidance in the Atlas Copco Air Compressor Troubleshooting PDF to gain further insights into compressed air technology and optimize your compressor’s performance.

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