How to find and fix air leaks on an Atlas Copco GA VSD+ compressor installation
Walk the system with a sonic leak detector at every joint, fitting, and drain. Prioritize leaks by flow rate. A 3 mm orifice leak at 7 bar wastes roughly 60 SCFM continuously.
How to fix overheating on an Atlas Copco GA VSD+ air compressor
Overheating almost always means a blocked intercooler or aftercooler. Clean both coolers and verify the thermostatic bypass valve opens at the correct temperature.
How to fix excessive vibration on an Atlas Copco GA VSD+ air compressor
Excessive vibration is most often loose foundation bolts or collapsed anti-vibration mounts. Torque the foundation bolts first, then check the mounts before suspecting the airend.
How to fix low pressure output on an Atlas Copco GA VSD+ air compressor
Low pressure output is most often worn inlet valve plates allowing blow-by. Check separator delta-P first, then do a compression efficiency test.
How to fix oil carryover in the discharge air on an Atlas Copco GA VSD+
Oil in discharge air means the separator element is saturated or the scavenge orifice is blocked. Replace the separator element and clear the scavenge line.
How to stop short cycling on an Atlas Copco GA VSD+ compressor
Short cycling means demand is catching up with the receiver too fast. Find and fix system leaks first. If leaks are minimal, the receiver may be undersized for the demand pattern.
How to diagnose unusual noise on an Atlas Copco GA VSD+ compressor
Grinding from the airend signals bearing wear. Check mounting bolt torque first (easy fix), then run a bearing inspection if noise persists.
How to diagnose an Atlas Copco GA VSD+ that won't start
Read the Elektronikon fault code first. Most won't-start faults are a pressure switch error, VSD input fault, or supply voltage issue. Fault code lookup takes 2 minutes and narrows the field immediately.