The central pneumatic air compressor won’t start and it’s time to troubleshoot.Īir compressors are simple devices that consist of a pump, cylinders, and valves. The central pneumatic air compressor won’t start – Check test all of your electrical circuits and outlets for proper operation.check if there was a power outage or surge in your area,.check for any loose wires and connections,.In order to diagnose why your air compressor won’t turn on, you’ll need to do a few other things: It should also make a small expulsion of air. The switch is an electrical switch that turns on when the air compressor produces enough pressure to activate it.Īs the air tank pressure approaches the point at which it will shut off, keep an eye on the unloader’s valve lever, and make sure it moves when the pressure switch trips. In reality, it’s usually an issue with either the electrical wiring or power supply. It’s a common misconception to assume that the pressure switch is the cause of the problem. The air compressor’s pressure switch is a safety valve that prevents the air compressor from filling the air tank with too much air pressure. Air compressor not turning on – Has the air compressor pressure switch Failed? If there is still no electrical power, it may be time to call a qualified electrician for assistance. Reset the breaker or replace the fuse and try to turn on your air compressor again. Be sure all circuits are turned on and no breaker trips.Ĭheck your circuit breaker or fuse box to see if the circuit breaker has been tripped, or if the fuse has blown. T he most common reason an air compressor will not start or turn on is that there is no power to the unit. With the compressor plugged in, there should be power flowing to the power switch. The first step before troubleshooting power issues is important to ensure that there is power in the home or at the site where the compressor is located.
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