Expert Troubleshooting Desk
Troubleshooting Q&A
Real-world air compressor problems — answered by an independent expert.
No manufacturer bias. No generic advice. Practical diagnostics only.
Before You Ask
This Q&A is for industrial and commercial air compressor troubleshooting questions. Please include:
- Compressor type (rotary screw, piston, diesel portable)
- Brand & model (if known)
- Symptoms and alarms
- What you've already checked
DIY, hobby, and consumer compressors are outside the scope of this resource.
Answered Questions
Browse the archive of real troubleshooting questions and expert answers.
Awaiting Answer
Won't stay running 375 sullair portable
Awaiting Answer
IR portable diesel 130 cfm rotory screw
Awaiting Answer
oil in air
Awaiting Answer
load unload problem
Awaiting Answer
2006 sullair portable compressor
Awaiting Answer
Correct wiring of compressor
Awaiting Answer
MOTOR OVERLOAD/TEMP NOT NORMAL ON ZA6
Awaiting Answer
AIR END OVER HEAT
Awaiting Answer
atlas copco wont start
Awaiting Answer
compressor off load not working
Awaiting Answer
how to rectify the compressor over load problem in screw compressor
Awaiting Answer
compressor draw high amps
Awaiting Answer
Screw Air Compressor - gears jammed
Awaiting Answer
screw compompressor safety valve blows
Awaiting Answer
oil back flow through inlet filter
Awaiting Answer
atlas copco ga 22 tripping after motor goes to delta from star.
Awaiting Answer
oil carry over.
Awaiting Answer
oil and filter replacement
Awaiting Answer
Screw compressor bogs down
Awaiting Answer
Air compressor tripping at overload when automatically restart when the net pres
Ask a Troubleshooting Question
Describe your problem in detail and get practical, independent guidance based on real-world experience.
Looking for Step-by-Step Troubleshooting?
Browse our troubleshooting hubs for structured diagnostics by compressor type.