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.
1 Answer
Ingersoll Rand 375 with oil in air when sandblasting
1 Answer
Inlet valve problems on Ingersoll Rand screw compressor
1 Answer
main contactor problems on Ingersoll Rand XF50 compressor
1 Answer
Not unloading - safet valve pops
1 Answer
Chicago Pneumatic compressor overload
1 Answer
Atlas Copco XA190 smoke from inlet valve
1 Answer
no control pressure on GX11 screw compressor
1 Answer
country of origin Atlas Copco air-ends
1 Answer
Quincy oil in air due to not blowing off completely?
1 Answer
Kaeser error code 0898 D
1 Answer
compressor keeps running
1 Answer
rotary screw compressor oil problem
2 Answers
Dew Point Too High
1 Answer
Tripping load time
1 Answer
Atlas Copco XAS90 overheating diesel engine
1 Answer
recommended compressor setup for 20 bar compressed air for laser cutter machine
1 Answer
Oil and smoke comming from intake suction of screw air compressor Renner
2 Answers
Oil Discharge on Atlas Copco XAS77 diesel air compressor
1 Answer
Error-INOP Atlas Copco GA22FF
1 Answer
Pressure relief - not unloading or regulating pressure
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