Whether they are new, or have been in use for years, every air compressor user will one day have air compressor problems and fixes.
This page lists by category many of the common problems air compressors have, provides solutions for most of them, and then offers a comment section on each page to allow visitors to add advice where they can, and to ask questions on that topic when they are looking for air compressor problems and fixes and some guidance about how to do that.
Scroll down, have a look, and visit the page(s) that will help you solve the air compressor issue you are having. Got a tip for another compressor user? Please leave a post on the appropriate page.
General air compressor issues
- starting up an old air compressor
- air compressor is clicking
- air compressor humming
- why is there water in my compressed air
- air compressor is getting very loud
Compressor air leaks
- compressor is always leaking air
- air is coming from the oil fill tube
- compressor is leaking air under the hood
- air leaks from the compressor dipstick
- compressor has air coming out of the intake filter
- all the air comes out of the coupler
Compressor will not start / will not stop – run issues
- air compressor will not start
- air compressor will not stop
- air compressor runs and runs
- air compressor gets very loud
- air compressor cycles on and off all the time
- air compressor just hums
- air compressor will not start when cold
- compressor trips the breaker when restarting
- compressor will not restart when air is used
Electrical motor and power issues
- compressor is blowing fuses & breakers
- compressor wiring problem
- the lights dim when the air compressor starts
- compressor trips breaker on pressure drop
- how to find a replacement compressor capacitor
- a clicking air compressor
- compressor just hums
- breaker trips when compressor restarts
Parts and repair issues
- I broke the compressor intake filter
- I broke the air compressor manifold
- air compressor needs a new fan
- digital air regulator is broken
- compressor has broken ON/OFF switch
- cannot find the compressor intake filter
Pressure and flow problems
- compressor has low outlet pressure
- I get only a short burst of air
- I need more air out of my compressor
- do I need a larger air line?
- I get no air out of the air hose
- what’s the difference between PSI & CFM?
- compressor will not build pressure
- will my air compressor take off lug nuts?
- is my air hose too long?
Pressure relief valve issues
Pressure switch problems and solutions
- compressor pressure switch is leaking air
- does my compressor need a new pressure switch?
- can I plug the air line that goes to the pressure switch?
- buying a new replacement pressure switch
Tank check valve issues
Unloader valve problems
- air continuously leaks out of the unloader valve
- unloader valve issues when building a silent compressor
- unloader valve doesn’t close