How To Fix My Central Pneumatic Air Compressor. If your air compressor wont shut off after reaching full cut-out pressure or wont start again after tank pressure drops the pressure switch might be the problem. Unplug the compressor from the electrical outlet and bleed air from the tank.
I have checked the Pressure Switch and it is fine. Attaching a blowgun to the drain valve can empty water vapor and air from your compressor tank properly. To carry out this process open the drain valve and release the air.
If you are hired someone for installing or using a central pneumatic air compressor then hire the qualified and well-skilled repair personnel.
The reason for that is if the pressure switch is set with a cut in pressure the setting at which the air compressor will start that is below the air pressure currently in the the compressor tank then your compressor pressure switch has not tripped to on no power is flowing to the air compressor motor so the motor cannot start. I have 5 year old Central Pneumatic 2hp 21 gal oil air compressor. Like all Central Pneumatic compressors it has two pressure adjustments. I opened it and found the hose between the pump and the tank had slipped off the nipple at the pump and was blowing air.
