The Dewalt D55141 is a reliable and compact air compressor, highly appreciated by professionals and DIY enthusiasts alike.


However, like any other mechanical device, it can sometimes face problems that need troubleshooting.


This Dewalt troubleshooting guide will help you fixing your Dewalt D55141 air compressor, ensuring you can quickly pinpoint the issue and resolve it, minimizing downtime and getting your projects back on track sooner.


Dewalt D55141 Troubleshooting


Dewalt D55141 Troubleshooting:



In Dewalt D55141 air compressor, mMost problems can be diagnosed and resolved with a few simple checks.

First, ensure your power source is stable and suitable for the appliance, fluctuating voltages or an incompatible power outlet can cause malfunctioning.

If the air compressor isn’t starting, check the pressure switch. The compressor won’t turn on if the pressure in the tank is higher than the ‘cut-in’ pressure. In such a case, reduce the pressure below the ‘cut-in’ level.

If the compressor is overheating, make sure the motor isn’t running excessively, and the air compressor is placed in a well-ventilated area.

Oil and air filter maintenance is key for smooth operation. Dirty filters or improper oil levels can cause issues in performance.

Lastly, if the compressor is running but not building pressure, inspect the valves and gaskets, as damage to these parts can lead to pressure problems.


5 Common Dewalt D55141 Air Compressor Problems And Solutions:


1. Problem: Not Turning On –

This is a common issue with the Dewalt D55141 Air Compressor. It could be due to a power supply issue, a faulty switch, or a motor problem.


Solution: Check your power source to ensure it’s providing sufficient electricity. If the power source is fine, inspect the switch and motor. If these components are faulty, they may need to be replaced.


2. Problem: Air Leaks –

This occurs when there’s a crack or hole in one of the air compressor’s components, causing air to escape.


Solution: Identify the source of the leak by listening for a hissing sound or feeling for air with your hand. If you find a leak, you’ll need to replace the faulty component.


3. Problem: Overheating –

This can be caused by a variety of factors, including continuous use, insufficient ventilation, or a faulty motor.


Solution: Give your air compressor time to cool down between uses, ensure it’s in a well-ventilated area, and check the motor for any issues.


4. Problem: Insufficient Pressure –

This often occurs due to a leak, a blockage in the hose, or a worn-out compressor pump.


Solution: Check for leaks, clear any blockages in the hose, and consider replacing the compressor pump if it’s worn out.


5. Problem: Motor Stalling –

This suggests there’s a problem with the motor or the power supply.


Solution: Check the power source first. If it’s fine, the motor may need to be replaced.


Remember, while these solutions can help with common issues, if problems persist, it’s best to contact a professional for further assistance.


Benefits Of Troubleshooting Dewalt D55141 Air Compressor:

Troubleshooting your Dewalt D55141 air compressor can have several benefits. Firstly, it can save you time and money that could otherwise be spent on repairs or replacements.


Regular troubleshooting can also extend the lifespan of your compressor, maintaining its efficiency and reliability.


Additionally, it can help you better understand how your air compressor works, making it easier for you to detect any future issues and fix them promptly.


Lastly, troubleshooting can potentially prevent minor issues from escalating into major problems that could potentially cause downtime in your operations.


Therefore, regular troubleshooting of your Dewalt D55141 air compressor is crucial to ensure it stays in optimal working condition.


Maintenance Tips For Your Dewalt D55141 Air Compressor:


1. Regular Cleaning:

To keep your Dewalt D55141 air compressor operating efficiently, regular cleaning is essential. Ensure to clean the intake vents to prevent dust and debris from interfering with the operation of the compressor.


2. Check Oil Levels:

If your Dewalt D55141 model is an oil-lubricated air compressor, regularly checking and maintaining oil levels is important for its smooth operation. Consult your user manual for the recommended oil type and the frequency of oil changes.


3. Inspect Air Filters:

Regular inspection and replacement of air filters can prevent damage and efficiency loss caused by clogged filters.


4. Check Hoses Regularly:

Regularly inspect the compressor hoses for wear and tear. Look out for any signs of cracking or damage that could lead to air leaks.


5. Drain Moisture from Tanks:

After every use, ensure to drain the moisture from the tanks to prevent rust and corrosion.


6. Store Properly:

When not in use, store your Dewalt D55141 in a clean, dry place to prevent damage from moisture and dust.


In conclusion, performing regular maintenance on your Dewalt D55141 air compressor will not only extend its lifespan but also ensure it operates efficiently and reliably.


How Do You Reset A Dewalt D55141 Air Compressor?

Resetting your Dewalt D55141 air compressor is a simple and straightforward procedure.


Firstly, ensure to turn off the compressor and unplug it from the power outlet. Open the drain valve to release any air trapped inside the tank.


Then, press the reset button, usually located on the motor, until you feel a slight click. This indicates that the compressor has been reset.


Close the drain valve, plug the air compressor back in, and turn it on. The compressor should now start as usual.


If the compressor does not restart or continues to trip the reset button, this may indicate a more severe problem that requires professional attention. Always refer to your user manual or consult a professional when in doubt.


How Do I Know If My Dewalt D55141 Air Compressor Is Bad?

There are several signs that may indicate a problem with your Dewalt D55141 air compressor.


Firstly, an air compressor that won’t start or keeps tripping the reset button could signal a problem.


Secondly, if your air compressor is not building enough pressure, or if it’s building pressure but not releasing it, these could be indications of a problem.


Excessive noise or vibrations during operation could also indicate a fault, as can an oil leak.


A damaged hose or clogged filter can affect the compressor’s performance as well. If you notice any of these signs, it’s essential to troubleshoot or seek professional help to prevent further damage.


What Would Cause A Dewalt D55141 Air Compressor To Not Build Pressure?

There could be several reasons why your Dewalt D55141 air compressor is not building pressure. Here are a few possible causes:


1. Faulty Check Valve:

The check valve prevents air from going back into the pump when the motor isn’t running. If it’s faulty or damaged, air will escape, causing the compressor to not build pressure.


2. Leaky Air Hose:

If there’s a leak in the air hose, the compressor might run but not build up enough pressure. Regularly check your hoses for any signs of wear and tear, and replace if necessary.


3. Clogged Air Filter:

A dirty or clogged filter can cause the compressor to work harder to intake air, thereby reducing the pressure it can build. Regular inspection and cleaning of the air filter can prevent this issue.


4. Pump Issues:

If the pump is damaged or worn out, it may fail to compress enough air, resulting in low pressure.


5. Tank Issues:

Leaks in the tank can also lead to pressure issues. Regularly inspect the tank for any signs of wear and tear. If you’re still unable to identify or rectify the issue, it is recommended to seek professional help to avoid causing further damage to your air compressor.


Dewalt D55141 Air Compressor Won’t Start:

If your Dewalt D55141 air compressor won’t start, there are several possible issues to investigate.


First, check the power supply. Make sure the compressor is properly plugged into a functioning outlet and that the circuit breaker hasn’t tripped.


Next, examine the pressure switch. If the pressure in the tank is greater than its maximum limit, the pressure switch might not activate the motor. In such cases, try lowering the pressure.


If your compressor still doesn’t start, inspect the motor. An overheated motor can cause the compressor not to start until it cools down.


If none of these checks resolve the issue, it may be due to internal problems like a faulty start capacitor or motor. In this case, it is recommended to consult a professional to avoid causing further damage.


Dewalt D55141 Air Compressor Not Building Pressure:

If your Dewalt D55141 air compressor is not building up pressure, several reasons could be behind this issue.


The problem could originate from a faulty check valve, which when damaged, will allow air to escape back into the pump when the motor isn’t running, leading to a lack of built pressure.


Similarly, leaks in the air hose might cause the compressor to run without building enough pressure.


Another common issue is a clogged air filter which can exert extra strain on the compressor as it struggles to intake air, resulting in reduced pressure.


A worn-out or damaged pump could also be the culprit, failing to compress enough air, thus leading to low pressure.


Finally, leaks in the tank can lead to pressure issues. If after checking these possible causes, the issue persists, it’s recommended to seek professional assistance to avoid causing further damage to your air compressor.


Dewalt D55141 Air Compressor Reset Button:

Resetting your Dewalt D55141 Air Compressor is a simple task that can resolve many minor problems. The reset button is usually located on the motor and is designed to trip if the compressor becomes overloaded.


To reset your compressor, turn off and unplug it first. Release any air trapped inside the tank by opening the drain valve.


Then, press the reset button until you feel a click, indicating that the compressor has been reset.


Once done, close the drain valve, plug the compressor back into the power source, and turn it on. The compressor should start up as usual.


Keep in mind, if the reset button continues to trip or the compressor still doesn’t start, you may have a more serious issue requiring professional assistance.


Dewalt D55141 Air Compressor Won’t Turn On:

If your Dewalt D55141 air compressor won’t turn on, several issues could be at play.


First, ensure that the compressor is properly connected to a functional power supply. Check the circuit breaker to ensure it hasn’t tripped.


Next, inspect the pressure switch. If the pressure in the tank is higher than the switch’s upper limit, the motor might not start.


Try reducing the pressure to resolve this. Additionally, an overheated motor can prevent the compressor from starting until it cools down.


If these steps don’t resolve the issue, the problem might lie in a faulty start capacitor or damaged motor. In such cases, it’s advisable to seek professional assistance to avoid further damage to your compressor.


Dewalt D55141 Air Compressor Check Valve Problem:

If you encounter problems with the check valve on your Dewalt D55141 air compressor, it’s crucial to address them promptly to keep your compressor running efficiently.


The check valve is designed to prevent air from flowing back into the pump when the motor isn’t running. If it’s faulty or damaged, it can cause the compressor not to build up pressure.


Signs of a check valve issue can include the compressor running but not building pressure, or air leaking from the unloader valve when the compressor is not running.


To address this, first, turn off and unplug your compressor and release any trapped air in the tank.


Then, inspect the check valve. Clean it if it’s dirty and replace it if it’s damaged. Reconnect everything and test your compressor. If the problem persists, consider seeking professional help to avoid causing further damage to your compressor.”


Dewalt D55141 Air Compressor Cleaning Tips:

Maintaining the cleanliness of your Dewalt D55141 air compressor is essential to its longevity and efficiency. Follow these steps for regular cleaning:


1. Unplug the Compressor:

Always disconnect the air compressor from the power source before cleaning to ensure safety.


2. Clean the Exterior:

Use a dry cloth to wipe down the exterior of the compressor. Pay special attention to areas where dust and dirt may accumulate.


3. Clean the Air Filter:

Remove the air filter, clean it with a mild detergent and warm water, and let it dry completely before reinstalling it. Replace the filter if it’s damaged or overly dirty.


4. Check for leaks:

Inspect the air hose and fittings for any leaks. If you find any, it’s recommended to replace these parts.


5. Drain the Tank:

Open the drain valve at the bottom of the tank to release any trapped moisture. This helps prevent internal rusting.


6. Clean the Check Valve:

Turn off and unplug your compressor, then clean the check valve to ensure it isn’t blocked. If it’s damaged, consider replacing it.


7. Check and Clean the Intake Vents:

These should be free of dirt and debris to ensure efficient operation. Perform these cleaning procedures quarterly or as often as needed, depending on the operating conditions.


If in doubt, consult a professional. Remember, a clean air compressor functions better and lasts longer.


Dewalt D55141 Air Compressor Lubrication Tips:

Proper lubrication of your Dewalt D55141 air compressor will ensure a smooth operation and extend its lifespan. Follow these steps for correct lubrication:


Step 1 – Choose the Right Oil:

Always use high-quality, non-detergent, single-viscosity oil. The recommended oil for most climates is SAE 30, while in colder climates, SAE 20 may be necessary. Dewalt also offers a specific synthetic compressor oil which can be used.


Step 2 – Check Oil Level:

Regularly check the oil level using the sight glass. It should be maintained at the halfway point of the sight glass.


Step 3 – Change the Oil:

Dewalt recommends changing the oil after the first 100 hours of operation and every 500 hours thereafter. To do this, place a basin underneath the oil drain plug, remove the plug and let the oil drain out. Once drained, replace the plug and refill with the recommended oil up to the halfway point in the sight glass.


Step 4 – Never Overfill:

Overfilling can cause excess pressure and damage to the compressor. Always maintain the oil at the recommended level.


Step 5 – Clean Spills:

If any oil spills during the lubrication process, clean it up immediately to prevent potential slip hazards. Remember, proper lubrication is crucial for the efficient operation of your air compressor.


If you are unsure about any part of the lubrication process, don’t hesitate to seek professional help.


Storing Your Dewalt D55141 Air Compressor:

Storing your Dewalt D55141 air compressor correctly is vital for maintaining its longevity and operational efficiency. Follow the steps below to ensure it is stored properly:


1. Clean Before Storing:

Before storing, clean your Dewalt D55141 air compressor as outlined in the cleaning tips section above. Ensure the compressor is free from dust and grime.


2. Drain the Tank:

Open the drain valve to remove any trapped moisture. Leaving moisture in the tank during storage could lead to rust and other damage.


3. Release the Air:

Release all the air from the compressor. Storing the compressor while it’s pressurized can lead to damage.


4. Disconnect the Power Source:

Ensure the compressor is unplugged from the power source. This helps to avoid any electrical accidents.


5. Store in a Dry and Clean Place:

Store your compressor in an area that is dry, clean, and free from temperature fluctuations. Moist or dirty environments can cause damage to the compressor.


6. Cover the Compressor:

Cover the compressor with a compressor cover or a heavy-duty cloth to protect it from dust and debris.


Remember, proper storage of your Dewalt D55141 air compressor is key to its durability and efficient operation. If you have any doubts or questions, consider consulting a professional.