Hey! This site is reader-supported and we earn commissions if you purchase products from retailers after clicking on a link from our site.
Atlas Copco air compressors are a worldwide operating company, that provides a broad range of air compressor technology to users around the globe. One thing with Atlas Copco air compressors, like any compressor, they will require troubleshooting in order to diagnose & fix a problem.
This article will provide examples of troubleshooting tips, including the problems, possible causes, and solutions, for an Atlas Copco air compressor taken from an operator’s manual.
Table of Contents
- Atlas Copco Air Compressor Troubleshooting
- FAQs (Frequently Asked Questions)
- Additional Troubleshooting Pages
- Reader Questions & Responses
Atlas Copco Air Compressor Troubleshooting
I have picked out this manual for an Atlas Copco air compressor which provides tips on various troubleshooting problems and their possible causes. Though these troubleshooting tips are specifically provided by Atlas Copco for one of their models of compressors, it is likely that you will be able to transfer this information and apply it to your Atlas Copco air compressor.
However, I recommend reviewing your specific Atlas Copco air compressor’s owner’s manual to find the troubleshooting guide provided by them.
We will take a look at the possible causes, and the correct action to take for the following symptoms with tables to follow:
- Compressor doesn’t unload
- Compressor pressure output too low
- Safety valve blows after loading
- Compressor stops or does not start
Atlas Copco Air Compressor Doesn’t Unload
| Possible Causes | Correct Actions |
|---|---|
| Solenoid valve out of order | Replace the valve |
| The inlet valve doesn’t close | Check the valve, replace the valve if necessary |
Atlas Copco Air Compressor Pressure Output Too Low
| Possible Causes | Correct Actions |
|---|---|
| Choked air filter element | Replace filter element |
| Leak in control air tubes | Replace leaking tubes |
| The Inlet valve doesn’t fully open | Check valve, replace if necessary |
| Malfunctioning solenoid valve | Replace the valve |
Atlas Copco Air Compressor Safety Valve Blows After Loading
| Possible Causes | Correct Actions |
|---|---|
| Inlet valve malfunctioning | Inspect the valve, replace if necessary |
| Faulty safety valve | Replace |
| Oil separator element clogged | Replace the oil separator element |
Atlas Copco Air Compressor Stops or Does Not Start
| Possible Causes | Correct Actions |
|---|---|
| Faulty electrical power supply | Do not use an extension cord, check the supply |
| Thermal overload has tripped | The motor will restart when motor windings cool down |
FAQs (Frequently Asked Questions)
It is possible that a fuse has been blown or that a breaker has been tripped if the air compressor is not turning on. It could also be that the compressor isn’t receiving sufficient power.
Additional Troubleshooting Pages
Atlas Copco Troubleshooting
Reader Questions & Responses
Atlas Copco XAS 375 JDC Shuts Down
Question
XAS 375 JDC – before it is warmed up enough to load it shuts down
Starting hard battery cranks starter for a while before it starts than before it is warmed up enough to load it shuts down.
Fluid levels are fine just had its 300-hour service.
If you have any Atlas Copco air compressor troubleshooting questions, please leave a comment below, with a photo if applicable, so that someone can help you!
