Air passed through the intercooler safety valve instead of going through its second stage piston.
Porter cable compressor not building pressure.
Please subscribe to my channel.
I have a lot of how to fix videos and funny videos.
The pressure switch is typically made with a rubber diaphragm which presents an opportunity for air to leak.
Porter cable pancake compressor will not build pressure based on the comments and questions on this site about why porter cable pancake compressors will not build pressure it s an ongoing problem.
My experience with a porter cable compressor not building pressure was quite revealing.
An air compressor that will not build pressure runs on long past the point where it normally would reach the cut out pressure level and stop.
The result is the compressor motor will overheat.
See if there are any leaks in the pressure switch system.
Here are a few more.
How to fix air compressor not building pressure easy fix.
Even though the compressor motor might shut down due to it having a thermal cut off switch overheating the motor is never good.