If you work with air compressors like a heavy-duty FS-Curtis unit or a smaller portable model, problems are bound to happen at some point.
The good news is that many common air compressor problems have straightforward fixes you can try yourself before calling in a professional.
As a hands-on service provider that works on these machines every day, we’ve seen it all. Our expertise comes from years of in-person maintenance and repair for businesses across Oklahoma. We’re sharing some of that field knowledge here to help you diagnose your own equipment safely and confidently.
The First Steps for Any Air Compressor
Before you delve into deeper issues, always start with a few basic checks. Sometimes, what feels like a serious problem is actually something simple.
Check the Power
Make sure the power supply is solid. Is the unit plugged in securely? Look at the circuit breakers: have any tripped? Also, confirm the power switch is in the “ON” or “AUTO” position. It might seem obvious, but this step alone can save hours of frustration.
Check the Pressure
Look at the tank and regulator gauges to see if there’s any pressure in the system. Verify that all drain valves are fully closed so compressed air isn’t escaping. If your compressor has adjustable cut-in pressure settings, confirm they’re not set too low. Incorrect pressure settings are a common issue that can prevent normal operation.
Consult the Manual
Especially on FS-Curtis and Champion compressors, the manufacturer’s manual is the best source for error codes, recommended maintenance intervals, and air compressor troubleshooting flowcharts. Keeping this guide handy makes it easier to pinpoint problems accurately.
Industrial Air Compressor Troubleshooting
Industrial compressors are designed for harsh conditions, but they still encounter a range of issues over time. Here are some common air compressor problems and how you can approach them.
Problem: Compressor Won’t Start
Start by checking the power supply again and resetting any tripped circuit breakers. Inspect the oil levels, as some compressors have safety features that prevent operation when oil is low or the wrong oil viscosity is used. If your model has a motor overload switch, try resetting it. Another likely cause is a faulty pressure switch that may need professional replacement.
Problem: Compressor Not Building Full Pressure
If your compressor runs but never reaches full pressure, leaks are often the culprit. Use a soapy water solution around fittings and hoses to spot escaping air bubbles. Check the intake filter for clogs that limit airflow. Clogged air filters reduce efficiency and make the compressor work harder.
Also, inspect for worn piston rings or inverted piston rings, which can cause loss of compression inside the pump. If these simple steps don’t solve the problem, internal repairs may be necessary.
Internal issues, such as damaged valve plates or piston rings, require technical expertise and the right replacement parts. For businesses in Oklahoma, our experienced technicians are here to provide fast and reliable service.
Problem: Excessive Moisture in Air Lines
Compressed air naturally produces moisture, especially in humid environments. Make sure you’re draining the tank daily and inspecting your air dryer if you have one installed. Persistent water in the lines often means the air treatment system needs maintenance or replacement.
Problem: Loud Noise or Excessive Vibration
Vibration and noise can point to mounting problems or internal damage. First, check that the compressor is on level ground and all bolts are tight. Vibration pads can help reduce movement and noise if the unit is properly secured. If you hear knocking or grinding, shut down the compressor immediately. These sounds can mean the piston is hitting the valve plate or that other internal components are failing. Running it further risks catastrophic damage. When in doubt, call a qualified technician.
Portable and Personal Air Compressor Troubleshooting
Smaller compressors used in home shops or garages have their own set of common issues. Here they are, and here’s how to fix them:
Problem: Air Leaks from the Pressure Switch When Off
If you notice air leaking out of the pressure switch after shutdown, the check valve may be worn or stuck open. This is a relatively common repair that many users can tackle themselves by replacing the check valve with a compatible part.
Problem: Circuit Breaker Trips Constantly
Extension cords are a frequent cause of tripping breakers. Always use the correct gauge and shortest length necessary to handle the compressor’s current draw. Additionally, check the unloader valve. If it fails to release pressure when the compressor stops, it forces the motor to start under load, which can repeatedly trip the breaker.
When Air Compressor Troubleshooting Fails – Call Us!
A systematic approach to air compressor troubleshooting helps you solve many common issues without any guesswork. Start with simple checks (power supply, oil levels, pressure settings, and air filters). Remember that regular maintenance, like draining moisture and inspecting components, prevents small problems from becoming major failures.
Knowing when to call a professional is just as important as knowing what to check yourself. If you run into persistent air leaks, repeated shutdowns, or signs of internal damage, it’s time to get expert help.
Regardless of your location, having the right parts is crucial for any repair. We ship high-quality components for FS-Curtis and Champion compressors nationwide. Explore our online parts store to find exactly what you need.
And if your business is in or around OKC and you need professional, in-person diagnostics and repair, contact our service experts today. We’ll get your operations back up and running fast.
Air Power Equipment Company in Oklahoma City (OKC), is the leading source for new air compressor sales and used air compressor sales throughout the country. We specialize in rotary screw air compressor sales and reciprocal air compressor sales. Air Power Equipment Company is also the best source for air compressor service and air compressor parts in Oklahoma. If you are looking for new air compressors, used air compressors, air compressor parts, or air compressor service call Air Power Equipment Company OKC. We are experts with all brands of air compressor equipment and we are a stocking distributor of air compressor brands like FS Curtis Air Compressors, Champion Air Compressors, Campbell Hausfeld Air Compressors, Kellogg Air Compressors, American Air Compressors, Quincy Compressor and many more. Call us at (405) 445-1216 – we have what you need, and at the best price you will find.