Air compressor symptoms
Won't start, won't build tank pressure and won't start with a full air tank are common air compressor failures. When your air compressor doesn't work, use our symptoms and troubleshooting advice to find the cause of the failure. Order air compressor parts by keying your model number in to the model finder and selecting the replacement parts you need. Follow the step-by-step instructions in the air compressor repair guides to install parts and restore your equipment to working order.
Symptoms common to all air compressors
Choose a symptom to see related air compressor repairs.
Main causes: loose air tube fitting connections, bad check valve, faulty safety valve, damaged or corroded air tank, bad…
Main cause: bad check valve…
Main causes: tank drain valve open or leaking air, leaky air tank, bad safety valve, worn pump seals, bad pump valve pla…
Main causes: rusted air tank, loose air tube fitting connections, bad check valve, leaky safety valve, bad tank drain va…
Main causes: bad safety valve, pressure switch failure…
Main cause: faulty output air pressure regulator…
Main cause: bad air tank pressure gauge…
Main causes: lack of electrical power, check valve failure, bad pressure switch…
Most common repair guides to help fix your air compressors
These step-by-step repair guides will help you safely fix what’s broken on your air compressor.
How to replace an air compressor pressure switch
You can replace a broken air compressor pressure switch in about 45 minutes. …
How to rebuild an air compressor pump
If the air compressor won't fill the tank with compressed air, rebuild the pump using these steps in about 45 minutes. …
How to replace an air compressor check valve
You can replace a defective air compressor check valve in about 10 minutes.…
Effective articles & videos to help repair your air compressors
Use the advice and tips in these articles and videos to get the most out of your air compressor.
Learn how to tell whether a fuse is blown…
Find out how to reduce air compressor noise.…
See how to perform routine maintenance on your oil-lubricated air compressor.…