PhuAir Compressor Technical Center
Error lookup, repair - maintenance guides, technical knowledge and compressed air system optimization
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Does a Dirty Cooler Cause Screw Compressor Overheating?
Can a Dirty Screw Air Compressor Cooler Cause High Temperatures? Learn about the mechanism, signs of a dirty cooler, and how to inspect and clean it safely and correctly.
Why Your Screw Air Compressor Is Running Hot: Causes & High Temperature Fixes
What Causes a Screw Air Compressor to Overheat? Learn about the causes related to the cooler, fan, oil, ventilation, and cooling system, as well as how to inspect and troubleshoot the machine safely.
Screw Compressor Running But No Air Output: Do You Need an Immediate Air End Overhaul?
A screw air compressor runs but produces no air? Don't rush into an Airend overhaul. Learn about common external causes and the inspection sequence to follow before deciding on major repairs.
Piston Compressor Runs But No Air Output: Do You Need an Immediate Pump Overhaul?
A piston air compressor runs but produces no air? Don't rush into an overhaul! Learn about 5 common causes, the step-by-step inspection procedure from A to Z, and the most cost-effective solutions.
How Much Does It Cost to Fix a Screw Compressor That Won't Draw Air?
A screw air compressor runs but produces no air or fails to build pressure? Learn about the causes, factors affecting repair costs, and how to inspect the machine before deciding whether to repair or overhaul the Airend.
Bad Intake Valve on Piston Air Compressor: Symptoms, Causes & How to Fix It
A faulty intake valve in a piston air compressor can cause slow pressure buildup, weak airflow, or reverse airflow. Learn about the symptoms, causes, and safe inspection procedures.
Why Your Screw Compressor Inlet Valve Won't Open: Top Causes & Fixes
Is the Screw Air Compressor Intake Valve Failing to Open, Causing the Machine to Run but Not Draw in Air or Build Pressure Slowly?** Learn About the Causes and How to Inspect the Intake Valve, Solenoid Valve, and Control System.
Why Your Piston Air Compressor Runs But Produces No Air: Causes & Fixes
A piston air compressor runs but produces no air or fails to build pressure? Learn about potential causes involving valves, piston rings, the air filter, the unloader, and safe inspection procedures.
Why Your Screw Air Compressor Isn't Drawing Air: Causes & Step-by-Step Fixes
A screw air compressor failing to draw in air? Learn about potential causes related to LOAD/UNLOAD operation, the air intake path, the intake valve, and the control system.