Either an electrical problem, or the compressor has tripped on a safety device. Check supply power. Check for errors on display. Check emergency stop is out. Check and reset the overload relay. If it’s a new installation, check the phase sequence. Ambient temperature too high or not enough ventilation.
[pdf] Use your Phillips head screwdriver to loosen the screw located either on the top or on the side of the cover. Unhook all of the black and white wires from the pressure switch using the needle nose pliers. Take a 5/16” nut driver and remove the ground screws, holding down the ground wires.
[pdf] Let me explain how a rotary screw element is built up. See this example picture of an oil-free screw element. Compressor element (oil-free type). Photo: Atlas Copco Of course, we see the two rotors (male rot. The structure of the compressor head is designed to withstand high pressures and temperatures. It is typically made of durable materials such as cast iron or aluminum to ensure longevity and reliability.
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