As someone who’s worked with Mattei Air Compressors for years, I can tell you, troubleshooting these machines can be quite an adventure.


There’s a sense of satisfaction you get when you pinpoint the problem, whether it’s a faulty valve or a worn-out seal.


And the beauty of it is, once you understand the signs, you can prevent most issues before they turn into serious malfunctions.


So, let’s embark on this journey of air compressor troubleshooting together, and I promise, by the end, you’ll be well-versed in maintaining your Mattei Air Compressor’s peak performance.



Mattei Compressor Troubleshooting:



In Mattei air compressors, overheating, oil leakage, or irregular noise generation are common symptoms of underlying problems.

Overheating can often be a result of inadequate ventilation or blocked filters, and measures should be taken to ensure the unit is well-ventilated and filters regularly cleaned or replaced.

Oil leaks might signify worn or damaged components and necessitate a thorough check of all seals and connections.

Unusual noises, on the other hand, could indicate issues with the internal mechanisms of the compressor, requiring professional inspection and maintenance.


20 Common Mattei Air Compressor Problems And Solutions:


1. Overheating Problem:

If your Mattei Air Compressor is overheating, it may be due to a lack of sufficient ventilation, dust accumulation, or the compressor working beyond its capacity. Ensure that the compressor is adequately ventilated, clean the air filter regularly, and avoid overloading the compressor.


2. Inadequate Pressure:

This could be due to a leak in the air system or the pressure switch needing adjustment. Regularly check for leaks and adjust the pressure switch according to the manufacturer’s guidelines.


3. Oil Leakage:

This could be because of worn-out seals. Replace the seals as per the maintenance schedule or whenever you notice a leak.


4. Motor Not Starting:

The motor’s failure to start could be due to electrical issues or a faulty motor starter. Check the circuit breaker and wiring, and replace the motor starter if necessary.


5. Excessive Noise:

If your air compressor is making excessive noise, it could be due to loose parts or inadequate lubrication. Tighten any loose parts and ensure the compressor is properly lubricated.


6. Pressure Builds Up Slowly:

This could be due to worn-out valves or a clogged intake filter. Replace the valves or clean/replace the intake filter as needed.


7. Compressor Doesn’t Stop:

If the compressor doesn’t stop, the pressure switch could be faulty. Replace the switch to solve the issue.


8. Air Compressor Vibrates:

This could be due to loose bolts, misalignment, or unbalanced parts. Tighten the bolts, ensure proper alignment, and balance the parts to resolve the issue.


9. Air Leakage:

A worn-out check valve or gasket could cause air leakage. Replace the check valve or gasket when needed.


10. Decreased CFM:

A decrease in CFM could be due to aged parts or a clogged inlet filter. Clean or change the inlet filter and replace the worn-out parts.


11. Excessive Oil Consumption:

This could be due to a faulty oil separator. Replace the oil separator if necessary.


12. Compressor Trips Circuit Breaker:

This could be due to a short circuit or a defective breaker. Troubleshoot for any electrical issues and replace the breaker if needed.


13. Compressor Cuts Out:

If the compressor cuts out abruptly, it could be due to overheating or a faulty pressure switch. Address the overheating issues and replace the pressure switch if necessary.


14. Compressor Runs Continuously:

This could be due to a leak or a faulty pressure switch. Check for any leaks and replace the pressure switch.


15. Water in the Compressed Air:

If there is water in the compressed air, the aftercooler or air dryer may not be functioning properly. Check these components and replace if necessary.


16. Compressor Won’t Load:

This could be due to a faulty solenoid valve. Replace the solenoid valve to resolve the issue.


17. Compressor Shuts Down on High Temperature:

This could be due to a dirty or blocked cooler. Clean the cooler to resolve the issue.


18. Decreased Compressor Performance:

This could be due to wear and tear of the compressor parts. Regular maintenance and timely replacement of parts can improve performance.


19. Compressor Motor Burns Out:

This could be due to voltage fluctuations or a faulty motor. Check the power supply and replace the motor if necessary.


20. Compressor is Producing Moist Air:

This could be due to high humidity or a malfunctioning air dryer. Lower the humidity if possible and check the air dryer.


Remember, regular maintenance is key to keeping your Mattei Air Compressor in good working condition. When in doubt, always consult with a professional or the manufacturer’s manual.


Benefits Of Troubleshooting Mattei Air Compressor:

Troubleshooting your Mattei air compressor could save you significant time and money in the long run.


By identifying potential issues early, you can prevent minor problems from escalating into major malfunctions that require extensive repairs or even a complete system replacement.


Furthermore, regular troubleshooting ensures that your compressor operates at peak efficiency, minimizing energy consumption and reducing your operational costs.


Additionally, it extends the lifespan of your equipment, maximizing your return on investment.


Lastly, troubleshooting enhances safety, as it allows for the timely detection and rectification of faults that could pose a risk to users and the surrounding environment.


Maintenance Tips For Your Mattei Air Compressor:


1. Regular Cleaning:

Dust and dirt can accumulate over time, potentially blocking the air intake and reducing the efficiency of your compressor. Regular cleaning can prevent this problem.


2. Regular Oil Changes:

As with any engine, your air compressor needs sufficient, clean oil to function effectively. Check the oil level frequently, and change it according to the manufacturer’s recommendations.


3. Change Air Filters:

Over time, air filters can become clogged with debris. This means your compressor has to work harder to intake air, potentially shortening its lifespan. Regularly check and replace air filters as needed.


4. Check Belts:

The compressor’s belt can wear out over time. Regularly inspect it for signs of wear and tear and replace it as necessary to prevent unexpected breakdowns.


5. Regular Inspections:

Regular inspections can help you identify potential issues before they become serious problems. Be sure to check all components of the compressor, including the motor, hoses, and connections.


Remember, preventative maintenance is always better than reactive repairs. Regular maintenance of your Mattei Air Compressor will ensure its longevity and optimal performance.


How Do I Reset My Mattei Compressor?

To reset your Mattei Compressor, follow these steps:


1. Ensure the compressor is turned off and disconnected from its power source. This is a crucial safety measure to prevent any accidental activation of the compressor during the reset process.


2. Locate the reset button on the compressor. This button is typically red and labeled ‘Reset’. It is usually found on the control panel of the compressor.


3. Press and hold down the ‘Reset’ button for about 5 seconds.


4. Release the ‘Reset’ button. The compressor is now reset to its factory settings.


5. Reconnect the power source and turn on the compressor. It should now operate normally.


Remember, if your compressor continually needs resetting, it may be a sign of an underlying issue.


In such instances, consider consulting with a professional or contacting Mattei’s customer support for assistance.


How Do I Know If My Mattei Air Compressor Is Bad?

Several signs may indicate that your Mattei Air Compressor isn’t operating as it should.


These include decreased pressure, unusual noises, excessive vibration, or an overheated running temperature.


Additionally, if you notice an increased amount of oil or water in the compressed air, this could also be a sign of a malfunction.


Always reference the manufacturer’s manual for specific troubleshooting steps, and consult with a professional if you’re unsure.


Remember, regular maintenance can prevent many common issues and extend the lifespan of your compressor.


What Would Cause An Mattei Air Compressor To Not Build Pressure?

Several factors can prevent a Mattei Air Compressor from building pressure.


One common issue is a faulty pressure switch, which may fail to shut off the motor when it reaches the desired pressure.


Other causes can include air leaks in the system, problems with the check valve, or a defective pump.


Clogged air filters can also restrict the compressor’s ability to take in enough air to build pressure.


Lastly, worn out compressor rings or cylinder walls might result in the inability of the compressor to build pressure.


It is essential to diagnose the issue accurately to ensure the appropriate corrective measures are taken.


Mattei Air Compressor Won’t Start:

If your Mattei Air Compressor won’t start, there could be several reasons behind this.


First, check the power supply to ensure that it is plugged in and the circuit breaker hasn’t tripped.


If power isn’t the issue, inspect the pressure switch. If the pressure in the tank is too high, the switch may not activate the motor.


On the other hand, a failed motor or start capacitor could also be the cause.


Other possibilities include a blocked air intake or a mechanical issue with the compressor pump.


In any case, if your compressor won’t start, it is advisable to seek professional help to diagnose and fix the problem.


Mattei Air Compressor Not Building Pressure:

If your Mattei Air Compressor is not building pressure, it’s typically due to a few common reasons.


The first could be air leaks in the system, which might occur in the hoses, connections, or the tank itself.


A faulty valve could also be the culprit, as it may fail to hold pressure as designed.


Clogged air filters can restrict the airflow, preventing the compressor from taking in enough air to build sufficient pressure.


Additionally, worn-out compressor rings or cylinder walls can impede the machine’s ability to pressurize the air properly.


Always ensure to check these components and replace or repair as necessary. If you’re uncertain, do not hesitate to reach out to a professional for comprehensive diagnostics and repair.


Mattei Air Compressor Reset Button:

The reset button on a Mattei Air Compressor is an important safety feature.


If the compressor motor becomes overloaded, the reset button will trip, cutting power to prevent further damage.


To reset your compressor, first ensure that the machine is switched off and unplugged.


Locate the reset button, which is typically red and situated on the motor housing. Press the button, and you should feel a click as it resets.


After resetting, plug the compressor back in and switch it on. If the machine doesn’t start or the reset button trips again, it may indicate a more serious issue requiring professional assistance.


Mattei Air Compressor Won’t Turn On:

If your Mattei Air Compressor won’t turn on, there are a few steps you can take to diagnose the issue.


First, verify that the compressor is connected to a power source and the circuit breaker has not tripped.


If the power supply is not the problem, check the pressure switch. If the tank pressure is too high, the switch might not activate the motor.


Another potential culprit could be a failed motor or start capacitor. A blocked air intake or a mechanical issue with the compressor pump could also prevent the compressor from starting.


Remember to always proceed with caution when troubleshooting your compressor and seek professional help if you’re unsure or if the problem persists.


Mattei Air Compressor Check Valve Problem:

A common issue with Mattei Air Compressors can be a malfunctioning check valve. This valve is designed to allow air to enter the tank but prevent it from flowing out again.


If it’s faulty, it could cause a build-up of pressure that fails to release properly, leading to potential inefficiencies or even safety risks.


Signs of a problematic check valve can include the inability to build pressure, excessive air leakage, or a constantly running motor.


To troubleshoot, first ensure the compressor is switched off and depressurized.


Then, locate the check valve and inspect it for signs of wear or damage. If the valve appears worn or doesn’t close properly, it will need to be replaced.


Always remember to follow safety guidelines during this process and seek professional help if you are unsure.


Mattei Air Compressor Cleaning Tips:

Keeping your Mattei Air Compressor clean is crucial for its optimal performance and longevity. Here are some tips to assist you:


1. Exterior Cleaning:

Wipe the compressor’s exterior with a soft, dry cloth regularly to remove dust and grime. Avoid using water or harsh cleaning agents as they can cause damage.


2. Air Filter Cleaning:

The air filter should be cleaned or replaced regularly. A clogged filter can cause the compressor to work harder than necessary, leading to wear and tear.


3. Tank Draining:

Condensation in the air tank can lead to rust, which can damage the compressor. Ensure to drain the tank regularly, especially after prolonged use.


4. Ventilation:

Ensure the compressor’s ventilation is clear from dust and debris which can cause overheating.


5. Regular Inspection:

Regularly inspect hoses and seals for wear or leaks. Replace if necessary to maintain efficient operation.


As always, remember to disconnect the compressor from the power source before any cleaning or maintenance to ensure safety. If you’re uncertain, don’t hesitate to contact a professional for assistance.


Mattei Air Compressor Lubrication Tips:

Proper lubrication is vital for the smooth operation and longevity of your Mattei Air Compressor. Here are some tips to guide you:


Selection of Lubricant:

Ensure to use only the recommended oil for your specific Mattei model. Using an incorrect oil can lead to inefficiencies and potential damage to the compressor’s components.


Frequency of Lubrication:

Usually, the oil should be changed after every 500-1000 hours of operation, or as per the manufacturer’s instructions. Regularly check the oil level and maintain it between the recommended marks on the sight glass.


Process of Lubrication:

Before adding new oil, completely drain the old oil while the compressor is still warm to remove as many impurities as possible. Pour the new oil slowly, avoiding overfilling.


Oil Filter Change:

Remember to change the oil filter every time you change the oil. A dirty filter can restrict the flow of oil, leading to inefficiencies and overheating.


Regular Checks:

Regularly inspect the oil for signs of contamination or degradation. If the oil appears dirty or has a burnt smell, it needs to be changed immediately.


Ensure to follow safety precautions during the lubrication process. If you’re unsure about any aspect of the lubrication process, it’s best to consult with a professional or refer to the compressor’s user manual.


Storing Your Mattei Air Compressor:

Proper storage of your Mattei Air Compressor is crucial to its longevity and reliability. If you’re not planning to use the compressor for an extended period, follow these steps to store it correctly:


1. Clean the Compressor:

Ensure the compressor is clean before storage. Wipe down the exterior, clean the air filter, and drain the air tank to prevent rusting.


2. Depressurize:

Make sure to release all the pressure from the tank before storing the compressor.


3. Drain the Oil:

If you plan to store the compressor for more than a few months, it’s recommended to drain the oil to prevent it from degrading and damaging the compressor’s components.


4. Store in a Dry, Covered Location:

Moisture can damage the compressor’s parts and lead to rusting. Store the compressor in a dry, indoor location with a cover to protect it from dust.


5. Cover All Inlets and Outlets:

Use plastic caps or covers to seal all inlets and outlets to prevent dust and insects from entering.


6. Check Periodically:

Even in storage, it’s good to periodically check on the compressor. Look for signs of rust or damage, and spin the pump pulley every few weeks to prevent the motor from locking up.


Remember, if you’re unsure about any aspect of storing your Mattei Air Compressor, it’s best to consult with a professional or refer to the compressor’s user manual.