How-To Troubleshoot A Single Stage Compressor
Single Stage Air Compressors
Troubleshooting Chart
SYMPTOMS | POSSIBLE CAUSE | CORRECTIVE ACTION |
Low discharge pressure |
|
|
Pump overheating causes air filter to melt |
|
|
Excessive noise (knocking) |
|
|
Large quantity of oil in the discharge air NOTE: In an oil lubricated compressor there will always be a small amount of oil in the airstream. |
|
|
Water in discharge air/tank |
|
|
Motor hums and runs slowly or not at all |
|
|
Reset mechanism cuts out repeatedly or fuses blow repeatedly |
|
|
Tank does not hold pressure when compressors off and the shut off valve is closed |
|
|
Pressure switch continuously blows air out the unloader valve |
|
|
Pressure switch does not release air when the unit shuts off |
|
|
Excessive Vibration |
|
|
Jul 19, 2021
Recent Posts
-
Summer Cooling Solutions: Keeping Your Compressor from Overheating in Hot Weather
As summer temperatures rise, so does the risk of your air compressor overheating. An overheated comp …Jul 29, 2025 -
Is Your Air Compressor Acting Up? Understanding Short Cycling and Constant Running
Air compressors are essential tools, but when they start acting erratically – either short cyc …Jul 22, 2025 -
The Right Fit: Choosing Air Line Couplings & Fittings for Your Tools
Are you getting the most out of your air tools? If you're experiencing drops in pressure, leaks, or …Jul 16, 2025